4485.71% is the change from 21 to 963
Calculation steps:
[( 963 - 21 ) ÷ 21] x 100 = 4485.71%
Formula
Percentage change = [(963 - 21) / 21] x 100
Subtract the new number by the original number
963 - 21 = 942
942 ÷ 21 = 44.857142857142854
44.857142857142854 x 100 = 4485.71%