-91.07% is the change from 873 to 78
Calculation steps:
[( 78 - 873 ) ÷ 873] x 100 = -91.07%
Formula
Percentage change = [(78 - 873) / 873] x 100
Subtract the new number by the original number
78 - 873 = -795
-795 ÷ 873 = -0.9106529209621993
-0.9106529209621993 x 100 = -91.07%