-19.4% is the change from 763 to 615
Calculation steps:
[( 615 - 763 ) ÷ 763] x 100 = -19.4%
Formula
Percentage change = [(615 - 763) / 763] x 100
Subtract the new number by the original number
615 - 763 = -148
-148 ÷ 763 = -0.19397116644823068
-0.19397116644823068 x 100 = -19.4%