-77.89% is the change from 873 to 193
Calculation steps:
[( 193 - 873 ) ÷ 873] x 100 = -77.89%
Formula
Percentage change = [(193 - 873) / 873] x 100
Subtract the new number by the original number
193 - 873 = -680
-680 ÷ 873 = -0.7789232531500573
-0.7789232531500573 x 100 = -77.89%