-77.93% is the change from 861 to 190
Calculation steps:
[( 190 - 861 ) ÷ 861] x 100 = -77.93%
Formula
Percentage change = [(190 - 861) / 861] x 100
Subtract the new number by the original number
190 - 861 = -671
-671 ÷ 861 = -0.7793263646922184
-0.7793263646922184 x 100 = -77.93%