-91.57% is the change from 878 to 74
Calculation steps:
[( 74 - 878 ) ÷ 878] x 100 = -91.57%
Formula
Percentage change = [(74 - 878) / 878] x 100
Subtract the new number by the original number
74 - 878 = -804
-804 ÷ 878 = -0.9157175398633257
-0.9157175398633257 x 100 = -91.57%