-30.35% is the change from 883 to 615
Calculation steps:
[( 615 - 883 ) ÷ 883] x 100 = -30.35%
Formula
Percentage change = [(615 - 883) / 883] x 100
Subtract the new number by the original number
615 - 883 = -268
-268 ÷ 883 = -0.3035107587768969
-0.3035107587768969 x 100 = -30.35%