-31.87% is the change from 615 to 419
Calculation steps:
[( 419 - 615 ) ÷ 615] x 100 = -31.87%
Formula
Percentage change = [(419 - 615) / 615] x 100
Subtract the new number by the original number
419 - 615 = -196
-196 ÷ 615 = -0.31869918699186994
-0.31869918699186994 x 100 = -31.87%