-11.66% is the change from 729 to 644
Calculation steps:
[( 644 - 729 ) ÷ 729] x 100 = -11.66%
Formula
Percentage change = [(644 - 729) / 729] x 100
Subtract the new number by the original number
644 - 729 = -85
-85 ÷ 729 = -0.11659807956104253
-0.11659807956104253 x 100 = -11.66%