-74.16% is the change from 836 to 216
Calculation steps:
[( 216 - 836 ) ÷ 836] x 100 = -74.16%
Formula
Percentage change = [(216 - 836) / 836] x 100
Subtract the new number by the original number
216 - 836 = -620
-620 ÷ 836 = -0.7416267942583732
-0.7416267942583732 x 100 = -74.16%