-34.61% is the change from 812 to 531
Calculation steps:
[( 531 - 812 ) ÷ 812] x 100 = -34.61%
Formula
Percentage change = [(531 - 812) / 812] x 100
Subtract the new number by the original number
531 - 812 = -281
-281 ÷ 812 = -0.3460591133004926
-0.3460591133004926 x 100 = -34.61%