-60.82% is the change from 873 to 342
Calculation steps:
[( 342 - 873 ) ÷ 873] x 100 = -60.82%
Formula
Percentage change = [(342 - 873) / 873] x 100
Subtract the new number by the original number
342 - 873 = -531
-531 ÷ 873 = -0.6082474226804123
-0.6082474226804123 x 100 = -60.82%