531.01% is the change from 158 to 997
Calculation steps:
[( 997 - 158 ) ÷ 158] x 100 = 531.01%
Formula
Percentage change = [(997 - 158) / 158] x 100
Subtract the new number by the original number
997 - 158 = 839
839 ÷ 158 = 5.310126582278481
5.310126582278481 x 100 = 531.01%