120% is the change from 10 to 22
Calculation steps:
[( 22 - 10 ) ÷ 10] x 100 = 120%
Formula
Percentage change = [(22 - 10) / 10] x 100
Subtract the new number by the original number
22 - 10 = 12
12 ÷ 10 = 1.2
1.2 x 100 = 120%
Example