4623.81% is the change from 21 to 992
Calculation steps:
[( 992 - 21 ) ÷ 21] x 100 = 4623.81%
Formula
Percentage change = [(992 - 21) / 21] x 100
Subtract the new number by the original number
992 - 21 = 971
971 ÷ 21 = 46.23809523809524
46.23809523809524 x 100 = 4623.81%