-36.47% is the change from 968 to 615
Calculation steps:
[( 615 - 968 ) ÷ 968] x 100 = -36.47%
Formula
Percentage change = [(615 - 968) / 968] x 100
Subtract the new number by the original number
615 - 968 = -353
-353 ÷ 968 = -0.3646694214876033
-0.3646694214876033 x 100 = -36.47%