453.89% is the change from 180 to 997
Calculation steps:
[( 997 - 180 ) ÷ 180] x 100 = 453.89%
Formula
Percentage change = [(997 - 180) / 180] x 100
Subtract the new number by the original number
997 - 180 = 817
817 ÷ 180 = 4.538888888888889
4.538888888888889 x 100 = 453.89%