-76.27% is the change from 809 to 192
Calculation steps:
[( 192 - 809 ) ÷ 809] x 100 = -76.27%
Formula
Percentage change = [(192 - 809) / 809] x 100
Subtract the new number by the original number
192 - 809 = -617
-617 ÷ 809 = -0.7626699629171817
-0.7626699629171817 x 100 = -76.27%