-22.25% is the change from 863 to 671
Calculation steps:
[( 671 - 863 ) ÷ 863] x 100 = -22.25%
Formula
Percentage change = [(671 - 863) / 863] x 100
Subtract the new number by the original number
671 - 863 = -192
-192 ÷ 863 = -0.22247972190034762
-0.22247972190034762 x 100 = -22.25%