-8.25% is the change from 848 to 778
Calculation steps:
[( 778 - 848 ) ÷ 848] x 100 = -8.25%
Formula
Percentage change = [(778 - 848) / 848] x 100
Subtract the new number by the original number
778 - 848 = -70
-70 ÷ 848 = -0.08254716981132075
-0.08254716981132075 x 100 = -8.25%