50% is the change from 322 to 483
Calculation steps:
[( 483 - 322 ) ÷ 322] x 100 = 50%
Formula
Percentage change = [(483 - 322) / 322] x 100
Subtract the new number by the original number
483 - 322 = 161
161 ÷ 322 = 0.5
0.5 x 100 = 50%
Example