-77.98% is the change from 863 to 190
Calculation steps:
[( 190 - 863 ) ÷ 863] x 100 = -77.98%
Formula
Percentage change = [(190 - 863) / 863] x 100
Subtract the new number by the original number
190 - 863 = -673
-673 ÷ 863 = -0.779837775202781
-0.779837775202781 x 100 = -77.98%