2020% is the change from 10 to 212
Calculation steps:
[( 212 - 10 ) ÷ 10] x 100 = 2020%
Formula
Percentage change = [(212 - 10) / 10] x 100
Subtract the new number by the original number
212 - 10 = 202
202 ÷ 10 = 20.2
20.2 x 100 = 2020%
Example