-8.2% is the change from 854 to 784
Calculation steps:
[( 784 - 854 ) ÷ 854] x 100 = -8.2%
Formula
Percentage change = [(784 - 854) / 854] x 100
Subtract the new number by the original number
784 - 854 = -70
-70 ÷ 854 = -0.08196721311475409
-0.08196721311475409 x 100 = -8.2%