-19.41% is the change from 814 to 656
Calculation steps:
[( 656 - 814 ) ÷ 814] x 100 = -19.41%
Formula
Percentage change = [(656 - 814) / 814] x 100
Subtract the new number by the original number
656 - 814 = -158
-158 ÷ 814 = -0.1941031941031941
-0.1941031941031941 x 100 = -19.41%