-77.75% is the change from 863 to 192
Calculation steps:
[( 192 - 863 ) ÷ 863] x 100 = -77.75%
Formula
Percentage change = [(192 - 863) / 863] x 100
Subtract the new number by the original number
192 - 863 = -671
-671 ÷ 863 = -0.7775202780996524
-0.7775202780996524 x 100 = -77.75%