-4.72% is the change from 615 to 586
Calculation steps:
[( 586 - 615 ) ÷ 615] x 100 = -4.72%
Formula
Percentage change = [(586 - 615) / 615] x 100
Subtract the new number by the original number
586 - 615 = -29
-29 ÷ 615 = -0.04715447154471545
-0.04715447154471545 x 100 = -4.72%