504.27% is the change from 164 to 991
Calculation steps:
[( 991 - 164 ) ÷ 164] x 100 = 504.27%
Formula
Percentage change = [(991 - 164) / 164] x 100
Subtract the new number by the original number
991 - 164 = 827
827 ÷ 164 = 5.0426829268292686
5.0426829268292686 x 100 = 504.27%