843.9% is the change from 82 to 774
Calculation steps:
[( 774 - 82 ) ÷ 82] x 100 = 843.9%
Formula
Percentage change = [(774 - 82) / 82] x 100
Subtract the new number by the original number
774 - 82 = 692
692 ÷ 82 = 8.439024390243903
8.439024390243903 x 100 = 843.9%