-72.1% is the change from 835 to 233
Calculation steps:
[( 233 - 835 ) ÷ 835] x 100 = -72.1%
Formula
Percentage change = [(233 - 835) / 835] x 100
Subtract the new number by the original number
233 - 835 = -602
-602 ÷ 835 = -0.7209580838323353
-0.7209580838323353 x 100 = -72.1%