-54.15% is the change from 615 to 282
Calculation steps:
[( 282 - 615 ) ÷ 615] x 100 = -54.15%
Formula
Percentage change = [(282 - 615) / 615] x 100
Subtract the new number by the original number
282 - 615 = -333
-333 ÷ 615 = -0.5414634146341464
-0.5414634146341464 x 100 = -54.15%