-71.34% is the change from 813 to 233
Calculation steps:
[( 233 - 813 ) ÷ 813] x 100 = -71.34%
Formula
Percentage change = [(233 - 813) / 813] x 100
Subtract the new number by the original number
233 - 813 = -580
-580 ÷ 813 = -0.7134071340713407
-0.7134071340713407 x 100 = -71.34%