-75.14% is the change from 873 to 217
Calculation steps:
[( 217 - 873 ) ÷ 873] x 100 = -75.14%
Formula
Percentage change = [(217 - 873) / 873] x 100
Subtract the new number by the original number
217 - 873 = -656
-656 ÷ 873 = -0.7514318442153494
-0.7514318442153494 x 100 = -75.14%