-95.33% is the change from 836 to 39
Calculation steps:
[( 39 - 836 ) ÷ 836] x 100 = -95.33%
Formula
Percentage change = [(39 - 836) / 836] x 100
Subtract the new number by the original number
39 - 836 = -797
-797 ÷ 836 = -0.9533492822966507
-0.9533492822966507 x 100 = -95.33%