-4.07% is the change from 615 to 590
Calculation steps:
[( 590 - 615 ) ÷ 615] x 100 = -4.07%
Formula
Percentage change = [(590 - 615) / 615] x 100
Subtract the new number by the original number
590 - 615 = -25
-25 ÷ 615 = -0.04065040650406504
-0.04065040650406504 x 100 = -4.07%