-78.35% is the change from 836 to 181
Calculation steps:
[( 181 - 836 ) ÷ 836] x 100 = -78.35%
Formula
Percentage change = [(181 - 836) / 836] x 100
Subtract the new number by the original number
181 - 836 = -655
-655 ÷ 836 = -0.7834928229665071
-0.7834928229665071 x 100 = -78.35%