161.75% is the change from 251 to 657
Calculation steps:
[( 657 - 251 ) ÷ 251] x 100 = 161.75%
Formula
Percentage change = [(657 - 251) / 251] x 100
Subtract the new number by the original number
657 - 251 = 406
406 ÷ 251 = 1.6175298804780875
1.6175298804780875 x 100 = 161.75%