162.62% is the change from 321 to 843
Calculation steps:
[( 843 - 321 ) ÷ 321] x 100 = 162.62%
Formula
Percentage change = [(843 - 321) / 321] x 100
Subtract the new number by the original number
843 - 321 = 522
522 ÷ 321 = 1.6261682242990654
1.6261682242990654 x 100 = 162.62%