539.1% is the change from 156 to 997
Calculation steps:
[( 997 - 156 ) ÷ 156] x 100 = 539.1%
Formula
Percentage change = [(997 - 156) / 156] x 100
Subtract the new number by the original number
997 - 156 = 841
841 ÷ 156 = 5.391025641025641
5.391025641025641 x 100 = 539.1%