-82.37% is the change from 828 to 146
Calculation steps:
[( 146 - 828 ) ÷ 828] x 100 = -82.37%
Formula
Percentage change = [(146 - 828) / 828] x 100
Subtract the new number by the original number
146 - 828 = -682
-682 ÷ 828 = -0.8236714975845411
-0.8236714975845411 x 100 = -82.37%