4642.86% is the change from 21 to 996
Calculation steps:
[( 996 - 21 ) ÷ 21] x 100 = 4642.86%
Formula
Percentage change = [(996 - 21) / 21] x 100
Subtract the new number by the original number
996 - 21 = 975
975 ÷ 21 = 46.42857142857143
46.42857142857143 x 100 = 4642.86%