-62.79% is the change from 833 to 310
Calculation steps:
[( 310 - 833 ) ÷ 833] x 100 = -62.79%
Formula
Percentage change = [(310 - 833) / 833] x 100
Subtract the new number by the original number
310 - 833 = -523
-523 ÷ 833 = -0.6278511404561825
-0.6278511404561825 x 100 = -62.79%