-71.54% is the change from 615 to 175
Calculation steps:
[( 175 - 615 ) ÷ 615] x 100 = -71.54%
Formula
Percentage change = [(175 - 615) / 615] x 100
Subtract the new number by the original number
175 - 615 = -440
-440 ÷ 615 = -0.7154471544715447
-0.7154471544715447 x 100 = -71.54%