163.11% is the change from 122 to 321
Calculation steps:
[( 321 - 122 ) ÷ 122] x 100 = 163.11%
Formula
Percentage change = [(321 - 122) / 122] x 100
Subtract the new number by the original number
321 - 122 = 199
199 ÷ 122 = 1.6311475409836065
1.6311475409836065 x 100 = 163.11%