4661.9% is the change from 21 to 1000
Calculation steps:
[( 1000 - 21 ) ÷ 21] x 100 = 4661.9%
Formula
Percentage change = [(1000 - 21) / 21] x 100
Subtract the new number by the original number
1000 - 21 = 979
979 ÷ 21 = 46.61904761904762
46.61904761904762 x 100 = 4661.9%