-30.65% is the change from 806 to 559
Calculation steps:
[( 559 - 806 ) ÷ 806] x 100 = -30.65%
Formula
Percentage change = [(559 - 806) / 806] x 100
Subtract the new number by the original number
559 - 806 = -247
-247 ÷ 806 = -0.3064516129032258
-0.3064516129032258 x 100 = -30.65%