-11.52% is the change from 729 to 645
Calculation steps:
[( 645 - 729 ) ÷ 729] x 100 = -11.52%
Formula
Percentage change = [(645 - 729) / 729] x 100
Subtract the new number by the original number
645 - 729 = -84
-84 ÷ 729 = -0.11522633744855967
-0.11522633744855967 x 100 = -11.52%