848.78% is the change from 82 to 778
Calculation steps:
[( 778 - 82 ) ÷ 82] x 100 = 848.78%
Formula
Percentage change = [(778 - 82) / 82] x 100
Subtract the new number by the original number
778 - 82 = 696
696 ÷ 82 = 8.487804878048781
8.487804878048781 x 100 = 848.78%