508.54% is the change from 164 to 998
Calculation steps:
[( 998 - 164 ) ÷ 164] x 100 = 508.54%
Formula
Percentage change = [(998 - 164) / 164] x 100
Subtract the new number by the original number
998 - 164 = 834
834 ÷ 164 = 5.085365853658536
5.085365853658536 x 100 = 508.54%