-75.6% is the change from 873 to 213
Calculation steps:
[( 213 - 873 ) ÷ 873] x 100 = -75.6%
Formula
Percentage change = [(213 - 873) / 873] x 100
Subtract the new number by the original number
213 - 873 = -660
-660 ÷ 873 = -0.7560137457044673
-0.7560137457044673 x 100 = -75.6%