157.65% is the change from 255 to 657
Calculation steps:
[( 657 - 255 ) ÷ 255] x 100 = 157.65%
Formula
Percentage change = [(657 - 255) / 255] x 100
Subtract the new number by the original number
657 - 255 = 402
402 ÷ 255 = 1.576470588235294
1.576470588235294 x 100 = 157.65%