-23.9% is the change from 615 to 468
Calculation steps:
[( 468 - 615 ) ÷ 615] x 100 = -23.9%
Formula
Percentage change = [(468 - 615) / 615] x 100
Subtract the new number by the original number
468 - 615 = -147
-147 ÷ 615 = -0.23902439024390243
-0.23902439024390243 x 100 = -23.9%