3.7% is the change from 162 to 168
Calculation steps:
[( 168 - 162 ) ÷ 162] x 100 = 3.7%
Formula
Percentage change = [(168 - 162) / 162] x 100
Subtract the new number by the original number
168 - 162 = 6
6 ÷ 162 = 0.037037037037037035
0.037037037037037035 x 100 = 3.7%