480.81% is the change from 172 to 999
Calculation steps:
[( 999 - 172 ) ÷ 172] x 100 = 480.81%
Formula
Percentage change = [(999 - 172) / 172] x 100
Subtract the new number by the original number
999 - 172 = 827
827 ÷ 172 = 4.808139534883721
4.808139534883721 x 100 = 480.81%