18.41% is the change from 842 to 997
Calculation steps:
[( 997 - 842 ) ÷ 842] x 100 = 18.41%
Formula
Percentage change = [(997 - 842) / 842] x 100
Subtract the new number by the original number
997 - 842 = 155
155 ÷ 842 = 0.1840855106888361
0.1840855106888361 x 100 = 18.41%