-72.23% is the change from 839 to 233
Calculation steps:
[( 233 - 839 ) ÷ 839] x 100 = -72.23%
Formula
Percentage change = [(233 - 839) / 839] x 100
Subtract the new number by the original number
233 - 839 = -606
-606 ÷ 839 = -0.7222884386174017
-0.7222884386174017 x 100 = -72.23%