-22.54% is the change from 794 to 615
Calculation steps:
[( 615 - 794 ) ÷ 794] x 100 = -22.54%
Formula
Percentage change = [(615 - 794) / 794] x 100
Subtract the new number by the original number
615 - 794 = -179
-179 ÷ 794 = -0.22544080604534006
-0.22544080604534006 x 100 = -22.54%