4447.62% is the change from 21 to 955
Calculation steps:
[( 955 - 21 ) ÷ 21] x 100 = 4447.62%
Formula
Percentage change = [(955 - 21) / 21] x 100
Subtract the new number by the original number
955 - 21 = 934
934 ÷ 21 = 44.476190476190474
44.476190476190474 x 100 = 4447.62%