-78.01% is the change from 873 to 192
Calculation steps:
[( 192 - 873 ) ÷ 873] x 100 = -78.01%
Formula
Percentage change = [(192 - 873) / 873] x 100
Subtract the new number by the original number
192 - 873 = -681
-681 ÷ 873 = -0.7800687285223368
-0.7800687285223368 x 100 = -78.01%