-46.99% is the change from 615 to 326
Calculation steps:
[( 326 - 615 ) ÷ 615] x 100 = -46.99%
Formula
Percentage change = [(326 - 615) / 615] x 100
Subtract the new number by the original number
326 - 615 = -289
-289 ÷ 615 = -0.46991869918699186
-0.46991869918699186 x 100 = -46.99%