90.74% is the change from 162 to 309
Calculation steps:
[( 309 - 162 ) ÷ 162] x 100 = 90.74%
Formula
Percentage change = [(309 - 162) / 162] x 100
Subtract the new number by the original number
309 - 162 = 147
147 ÷ 162 = 0.9074074074074074
0.9074074074074074 x 100 = 90.74%