static int Rate ( int N1 , int N2 ) {
  float rate = ( N2 - N1 ) * 100 / N1 ;
  return ( int ) rate ;
}

static int Rate ( int N1 , int N2 ) { float rate = ( N2 - N1 ) * 100 / N1 ; return ( int ) rate ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)) right: (identifier)))) (return_statement (cast_expression type: (integral_type) value: (identifier)))))