-74.1% is the change from 861 to 223
Calculation steps:
[( 223 - 861 ) ÷ 861] x 100 = -74.1%
Formula
Percentage change = [(223 - 861) / 861] x 100
Subtract the new number by the original number
223 - 861 = -638
-638 ÷ 861 = -0.7409988385598142
-0.7409988385598142 x 100 = -74.1%