22.18% is the change from 816 to 997
Calculation steps:
[( 997 - 816 ) ÷ 816] x 100 = 22.18%
Formula
Percentage change = [(997 - 816) / 816] x 100
Subtract the new number by the original number
997 - 816 = 181
181 ÷ 816 = 0.22181372549019607
0.22181372549019607 x 100 = 22.18%