-12.79% is the change from 899 to 784
Calculation steps:
[( 784 - 899 ) ÷ 899] x 100 = -12.79%
Formula
Percentage change = [(784 - 899) / 899] x 100
Subtract the new number by the original number
784 - 899 = -115
-115 ÷ 899 = -0.12791991101223582
-0.12791991101223582 x 100 = -12.79%