-9.43% is the change from 859 to 778
Calculation steps:
[( 778 - 859 ) ÷ 859] x 100 = -9.43%
Formula
Percentage change = [(778 - 859) / 859] x 100
Subtract the new number by the original number
778 - 859 = -81
-81 ÷ 859 = -0.09429569266589057
-0.09429569266589057 x 100 = -9.43%