171.49% is the change from 242 to 657
Calculation steps:
[( 657 - 242 ) ÷ 242] x 100 = 171.49%
Formula
Percentage change = [(657 - 242) / 242] x 100
Subtract the new number by the original number
657 - 242 = 415
415 ÷ 242 = 1.7148760330578512
1.7148760330578512 x 100 = 171.49%