-76.33% is the change from 811 to 192
Calculation steps:
[( 192 - 811 ) ÷ 811] x 100 = -76.33%
Formula
Percentage change = [(192 - 811) / 811] x 100
Subtract the new number by the original number
192 - 811 = -619
-619 ÷ 811 = -0.7632552404438965
-0.7632552404438965 x 100 = -76.33%