-22.84% is the change from 797 to 615
Calculation steps:
[( 615 - 797 ) ÷ 797] x 100 = -22.84%
Formula
Percentage change = [(615 - 797) / 797] x 100
Subtract the new number by the original number
615 - 797 = -182
-182 ÷ 797 = -0.22835633626097868
-0.22835633626097868 x 100 = -22.84%