960% is the change from 20 to 212
Calculation steps:
[( 212 - 20 ) ÷ 20] x 100 = 960%
Formula
Percentage change = [(212 - 20) / 20] x 100
Subtract the new number by the original number
212 - 20 = 192
192 ÷ 20 = 9.6
9.6 x 100 = 960%
Example