-75.6% is the change from 836 to 204
Calculation steps:
[( 204 - 836 ) ÷ 836] x 100 = -75.6%
Formula
Percentage change = [(204 - 836) / 836] x 100
Subtract the new number by the original number
204 - 836 = -632
-632 ÷ 836 = -0.7559808612440191
-0.7559808612440191 x 100 = -75.6%