-91.89% is the change from 863 to 70
Calculation steps:
[( 70 - 863 ) ÷ 863] x 100 = -91.89%
Formula
Percentage change = [(70 - 863) / 863] x 100
Subtract the new number by the original number
70 - 863 = -793
-793 ÷ 863 = -0.9188876013904983
-0.9188876013904983 x 100 = -91.89%