187.94% is the change from 257 to 740
Calculation steps:
[( 740 - 257 ) ÷ 257] x 100 = 187.94%
Formula
Percentage change = [(740 - 257) / 257] x 100
Subtract the new number by the original number
740 - 257 = 483
483 ÷ 257 = 1.8793774319066148
1.8793774319066148 x 100 = 187.94%