-72.39% is the change from 833 to 230
Calculation steps:
[( 230 - 833 ) ÷ 833] x 100 = -72.39%
Formula
Percentage change = [(230 - 833) / 833] x 100
Subtract the new number by the original number
230 - 833 = -603
-603 ÷ 833 = -0.723889555822329
-0.723889555822329 x 100 = -72.39%