-72.91% is the change from 849 to 230
Calculation steps:
[( 230 - 849 ) ÷ 849] x 100 = -72.91%
Formula
Percentage change = [(230 - 849) / 849] x 100
Subtract the new number by the original number
230 - 849 = -619
-619 ÷ 849 = -0.7290930506478209
-0.7290930506478209 x 100 = -72.91%