-93.05% is the change from 878 to 61
Calculation steps:
[( 61 - 878 ) ÷ 878] x 100 = -93.05%
Formula
Percentage change = [(61 - 878) / 878] x 100
Subtract the new number by the original number
61 - 878 = -817
-817 ÷ 878 = -0.9305239179954442
-0.9305239179954442 x 100 = -93.05%