-82.02% is the change from 823 to 148
Calculation steps:
[( 148 - 823 ) ÷ 823] x 100 = -82.02%
Formula
Percentage change = [(148 - 823) / 823] x 100
Subtract the new number by the original number
148 - 823 = -675
-675 ÷ 823 = -0.8201701093560145
-0.8201701093560145 x 100 = -82.02%