162.4% is the change from 250 to 656
Calculation steps:
[( 656 - 250 ) ÷ 250] x 100 = 162.4%
Formula
Percentage change = [(656 - 250) / 250] x 100
Subtract the new number by the original number
656 - 250 = 406
406 ÷ 250 = 1.624
1.624 x 100 = 162.4%
Example