-82.1% is the change from 827 to 148
Calculation steps:
[( 148 - 827 ) ÷ 827] x 100 = -82.1%
Formula
Percentage change = [(148 - 827) / 827] x 100
Subtract the new number by the original number
148 - 827 = -679
-679 ÷ 827 = -0.8210399032648126
-0.8210399032648126 x 100 = -82.1%