-37.8% is the change from 873 to 543
Calculation steps:
[( 543 - 873 ) ÷ 873] x 100 = -37.8%
Formula
Percentage change = [(543 - 873) / 873] x 100
Subtract the new number by the original number
543 - 873 = -330
-330 ÷ 873 = -0.37800687285223367
-0.37800687285223367 x 100 = -37.8%