-70.57% is the change from 812 to 239
Calculation steps:
[( 239 - 812 ) ÷ 812] x 100 = -70.57%
Formula
Percentage change = [(239 - 812) / 812] x 100
Subtract the new number by the original number
239 - 812 = -573
-573 ÷ 812 = -0.7056650246305419
-0.7056650246305419 x 100 = -70.57%