163.24% is the change from 321 to 845
Calculation steps:
[( 845 - 321 ) ÷ 321] x 100 = 163.24%
Formula
Percentage change = [(845 - 321) / 321] x 100
Subtract the new number by the original number
845 - 321 = 524
524 ÷ 321 = 1.632398753894081
1.632398753894081 x 100 = 163.24%