-21.44% is the change from 928 to 729
Calculation steps:
[( 729 - 928 ) ÷ 928] x 100 = -21.44%
Formula
Percentage change = [(729 - 928) / 928] x 100
Subtract the new number by the original number
729 - 928 = -199
-199 ÷ 928 = -0.21443965517241378
-0.21443965517241378 x 100 = -21.44%