225% is the change from 156 to 507
Calculation steps:
[( 507 - 156 ) ÷ 156] x 100 = 225%
Formula
Percentage change = [(507 - 156) / 156] x 100
Subtract the new number by the original number
507 - 156 = 351
351 ÷ 156 = 2.25
2.25 x 100 = 225%
Example