169.16% is the change from 321 to 864
Calculation steps:
[( 864 - 321 ) ÷ 321] x 100 = 169.16%
Formula
Percentage change = [(864 - 321) / 321] x 100
Subtract the new number by the original number
864 - 321 = 543
543 ÷ 321 = 1.691588785046729
1.691588785046729 x 100 = 169.16%