-78.28% is the change from 861 to 187
Calculation steps:
[( 187 - 861 ) ÷ 861] x 100 = -78.28%
Formula
Percentage change = [(187 - 861) / 861] x 100
Subtract the new number by the original number
187 - 861 = -674
-674 ÷ 861 = -0.7828106852497096
-0.7828106852497096 x 100 = -78.28%