162.3% is the change from 122 to 320
Calculation steps:
[( 320 - 122 ) ÷ 122] x 100 = 162.3%
Formula
Percentage change = [(320 - 122) / 122] x 100
Subtract the new number by the original number
320 - 122 = 198
198 ÷ 122 = 1.6229508196721312
1.6229508196721312 x 100 = 162.3%