-28.2% is the change from 812 to 583
Calculation steps:
[( 583 - 812 ) ÷ 812] x 100 = -28.2%
Formula
Percentage change = [(583 - 812) / 812] x 100
Subtract the new number by the original number
583 - 812 = -229
-229 ÷ 812 = -0.28201970443349755
-0.28201970443349755 x 100 = -28.2%