-34.31% is the change from 615 to 404
Calculation steps:
[( 404 - 615 ) ÷ 615] x 100 = -34.31%
Formula
Percentage change = [(404 - 615) / 615] x 100
Subtract the new number by the original number
404 - 615 = -211
-211 ÷ 615 = -0.34308943089430893
-0.34308943089430893 x 100 = -34.31%