476.19% is the change from 21 to 121
Calculation steps:
[( 121 - 21 ) ÷ 21] x 100 = 476.19%
Formula
Percentage change = [(121 - 21) / 21] x 100
Subtract the new number by the original number
121 - 21 = 100
100 ÷ 21 = 4.761904761904762
4.761904761904762 x 100 = 476.19%