-78.71% is the change from 836 to 178
Calculation steps:
[( 178 - 836 ) ÷ 836] x 100 = -78.71%
Formula
Percentage change = [(178 - 836) / 836] x 100
Subtract the new number by the original number
178 - 836 = -658
-658 ÷ 836 = -0.7870813397129187
-0.7870813397129187 x 100 = -78.71%