-72.28% is the change from 873 to 242
Calculation steps:
[( 242 - 873 ) ÷ 873] x 100 = -72.28%
Formula
Percentage change = [(242 - 873) / 873] x 100
Subtract the new number by the original number
242 - 873 = -631
-631 ÷ 873 = -0.722794959908362
-0.722794959908362 x 100 = -72.28%