103.07% is the change from 163 to 331
Calculation steps:
[( 331 - 163 ) ÷ 163] x 100 = 103.07%
Formula
Percentage change = [(331 - 163) / 163] x 100
Subtract the new number by the original number
331 - 163 = 168
168 ÷ 163 = 1.030674846625767
1.030674846625767 x 100 = 103.07%