-15.64% is the change from 729 to 615
Calculation steps:
[( 615 - 729 ) ÷ 729] x 100 = -15.64%
Formula
Percentage change = [(615 - 729) / 729] x 100
Subtract the new number by the original number
615 - 729 = -114
-114 ÷ 729 = -0.15637860082304528
-0.15637860082304528 x 100 = -15.64%