87.5% is the change from 120 to 225
Calculation steps:
[( 225 - 120 ) ÷ 120] x 100 = 87.5%
Formula
Percentage change = [(225 - 120) / 120] x 100
Subtract the new number by the original number
225 - 120 = 105
105 ÷ 120 = 0.875
0.875 x 100 = 87.5%
Example