125% is the change from 268 to 603
Calculation steps:
[( 603 - 268 ) ÷ 268] x 100 = 125%
Formula
Percentage change = [(603 - 268) / 268] x 100
Subtract the new number by the original number
603 - 268 = 335
335 ÷ 268 = 1.25
1.25 x 100 = 125%
Example