125% is the change from 140 to 315
Calculation steps:
[( 315 - 140 ) ÷ 140] x 100 = 125%
Formula
Percentage change = [(315 - 140) / 140] x 100
Subtract the new number by the original number
315 - 140 = 175
175 ÷ 140 = 1.25
1.25 x 100 = 125%
Example