-8.62% is the change from 858 to 784
Calculation steps:
[( 784 - 858 ) ÷ 858] x 100 = -8.62%
Formula
Percentage change = [(784 - 858) / 858] x 100
Subtract the new number by the original number
784 - 858 = -74
-74 ÷ 858 = -0.08624708624708624
-0.08624708624708624 x 100 = -8.62%