-78.16% is the change from 861 to 188
Calculation steps:
[( 188 - 861 ) ÷ 861] x 100 = -78.16%
Formula
Percentage change = [(188 - 861) / 861] x 100
Subtract the new number by the original number
188 - 861 = -673
-673 ÷ 861 = -0.7816492450638792
-0.7816492450638792 x 100 = -78.16%