-7.85% is the change from 586 to 540
Calculation steps:
[( 540 - 586 ) ÷ 586] x 100 = -7.85%
Formula
Percentage change = [(540 - 586) / 586] x 100
Subtract the new number by the original number
540 - 586 = -46
-46 ÷ 586 = -0.07849829351535836
-0.07849829351535836 x 100 = -7.85%