-82.23% is the change from 833 to 148
Calculation steps:
[( 148 - 833 ) ÷ 833] x 100 = -82.23%
Formula
Percentage change = [(148 - 833) / 833] x 100
Subtract the new number by the original number
148 - 833 = -685
-685 ÷ 833 = -0.8223289315726291
-0.8223289315726291 x 100 = -82.23%