-78.1% is the change from 863 to 189
Calculation steps:
[( 189 - 863 ) ÷ 863] x 100 = -78.1%
Formula
Percentage change = [(189 - 863) / 863] x 100
Subtract the new number by the original number
189 - 863 = -674
-674 ÷ 863 = -0.7809965237543454
-0.7809965237543454 x 100 = -78.1%