-79.78% is the change from 836 to 169
Calculation steps:
[( 169 - 836 ) ÷ 836] x 100 = -79.78%
Formula
Percentage change = [(169 - 836) / 836] x 100
Subtract the new number by the original number
169 - 836 = -667
-667 ÷ 836 = -0.7978468899521531
-0.7978468899521531 x 100 = -79.78%