514.91% is the change from 161 to 990
Calculation steps:
[( 990 - 161 ) ÷ 161] x 100 = 514.91%
Formula
Percentage change = [(990 - 161) / 161] x 100
Subtract the new number by the original number
990 - 161 = 829
829 ÷ 161 = 5.149068322981367
5.149068322981367 x 100 = 514.91%