-82.81% is the change from 861 to 148
Calculation steps:
[( 148 - 861 ) ÷ 861] x 100 = -82.81%
Formula
Percentage change = [(148 - 861) / 861] x 100
Subtract the new number by the original number
148 - 861 = -713
-713 ÷ 861 = -0.8281068524970964
-0.8281068524970964 x 100 = -82.81%