154.86% is the change from 257 to 655
Calculation steps:
[( 655 - 257 ) ÷ 257] x 100 = 154.86%
Formula
Percentage change = [(655 - 257) / 257] x 100
Subtract the new number by the original number
655 - 257 = 398
398 ÷ 257 = 1.54863813229572
1.54863813229572 x 100 = 154.86%