-91.29% is the change from 873 to 76
Calculation steps:
[( 76 - 873 ) ÷ 873] x 100 = -91.29%
Formula
Percentage change = [(76 - 873) / 873] x 100
Subtract the new number by the original number
76 - 873 = -797
-797 ÷ 873 = -0.9129438717067583
-0.9129438717067583 x 100 = -91.29%