-78.66% is the change from 834 to 178
Calculation steps:
[( 178 - 834 ) ÷ 834] x 100 = -78.66%
Formula
Percentage change = [(178 - 834) / 834] x 100
Subtract the new number by the original number
178 - 834 = -656
-656 ÷ 834 = -0.7865707434052758
-0.7865707434052758 x 100 = -78.66%