-18.76% is the change from 757 to 615
Calculation steps:
[( 615 - 757 ) ÷ 757] x 100 = -18.76%
Formula
Percentage change = [(615 - 757) / 757] x 100
Subtract the new number by the original number
615 - 757 = -142
-142 ÷ 757 = -0.18758256274768825
-0.18758256274768825 x 100 = -18.76%