-76.76% is the change from 809 to 188
Calculation steps:
[( 188 - 809 ) ÷ 809] x 100 = -76.76%
Formula
Percentage change = [(188 - 809) / 809] x 100
Subtract the new number by the original number
188 - 809 = -621
-621 ÷ 809 = -0.7676143386897404
-0.7676143386897404 x 100 = -76.76%