-40.21% is the change from 873 to 522
Calculation steps:
[( 522 - 873 ) ÷ 873] x 100 = -40.21%
Formula
Percentage change = [(522 - 873) / 873] x 100
Subtract the new number by the original number
522 - 873 = -351
-351 ÷ 873 = -0.4020618556701031
-0.4020618556701031 x 100 = -40.21%