-76.14% is the change from 809 to 193
Calculation steps:
[( 193 - 809 ) ÷ 809] x 100 = -76.14%
Formula
Percentage change = [(193 - 809) / 809] x 100
Subtract the new number by the original number
193 - 809 = -616
-616 ÷ 809 = -0.761433868974042
-0.761433868974042 x 100 = -76.14%