6.62% is the change from 302 to 322
Calculation steps:
[( 322 - 302 ) ÷ 302] x 100 = 6.62%
Formula
Percentage change = [(322 - 302) / 302] x 100
Subtract the new number by the original number
322 - 302 = 20
20 ÷ 302 = 0.06622516556291391
0.06622516556291391 x 100 = 6.62%