-22.12% is the change from 936 to 729
Calculation steps:
[( 729 - 936 ) ÷ 936] x 100 = -22.12%
Formula
Percentage change = [(729 - 936) / 936] x 100
Subtract the new number by the original number
729 - 936 = -207
-207 ÷ 936 = -0.22115384615384615
-0.22115384615384615 x 100 = -22.12%