-77.09% is the change from 873 to 200
Calculation steps:
[( 200 - 873 ) ÷ 873] x 100 = -77.09%
Formula
Percentage change = [(200 - 873) / 873] x 100
Subtract the new number by the original number
200 - 873 = -673
-673 ÷ 873 = -0.7709049255441008
-0.7709049255441008 x 100 = -77.09%