-38.21% is the change from 615 to 380
Calculation steps:
[( 380 - 615 ) ÷ 615] x 100 = -38.21%
Formula
Percentage change = [(380 - 615) / 615] x 100
Subtract the new number by the original number
380 - 615 = -235
-235 ÷ 615 = -0.3821138211382114
-0.3821138211382114 x 100 = -38.21%