-9.96% is the change from 683 to 615
Calculation steps:
[( 615 - 683 ) ÷ 683] x 100 = -9.96%
Formula
Percentage change = [(615 - 683) / 683] x 100
Subtract the new number by the original number
615 - 683 = -68
-68 ÷ 683 = -0.09956076134699854
-0.09956076134699854 x 100 = -9.96%