-8.39% is the change from 787 to 721
Calculation steps:
[( 721 - 787 ) ÷ 787] x 100 = -8.39%
Formula
Percentage change = [(721 - 787) / 787] x 100
Subtract the new number by the original number
721 - 787 = -66
-66 ÷ 787 = -0.08386277001270648
-0.08386277001270648 x 100 = -8.39%