-12.18% is the change from 829 to 728
Calculation steps:
[( 728 - 829 ) ÷ 829] x 100 = -12.18%
Formula
Percentage change = [(728 - 829) / 829] x 100
Subtract the new number by the original number
728 - 829 = -101
-101 ÷ 829 = -0.1218335343787696
-0.1218335343787696 x 100 = -12.18%