1000% is the change from 2 to 22
Calculation steps:
[( 22 - 2 ) ÷ 2] x 100 = 1000%
Formula
Percentage change = [(22 - 2) / 2] x 100
Subtract the new number by the original number
22 - 2 = 20
20 ÷ 2 = 10
10 x 100 = 1000%
Example