500% is the change from 165 to 990
Calculation steps:
[( 990 - 165 ) ÷ 165] x 100 = 500%
Formula
Percentage change = [(990 - 165) / 165] x 100
Subtract the new number by the original number
990 - 165 = 825
825 ÷ 165 = 5
5 x 100 = 500%
Example