-55.67% is the change from 873 to 387
Calculation steps:
[( 387 - 873 ) ÷ 873] x 100 = -55.67%
Formula
Percentage change = [(387 - 873) / 873] x 100
Subtract the new number by the original number
387 - 873 = -486
-486 ÷ 873 = -0.5567010309278351
-0.5567010309278351 x 100 = -55.67%