-60.26% is the change from 833 to 331
Calculation steps:
[( 331 - 833 ) ÷ 833] x 100 = -60.26%
Formula
Percentage change = [(331 - 833) / 833] x 100
Subtract the new number by the original number
331 - 833 = -502
-502 ÷ 833 = -0.602641056422569
-0.602641056422569 x 100 = -60.26%