22.98% is the change from 309 to 380
Calculation steps:
[( 380 - 309 ) ÷ 309] x 100 = 22.98%
Formula
Percentage change = [(380 - 309) / 309] x 100
Subtract the new number by the original number
380 - 309 = 71
71 ÷ 309 = 0.2297734627831715
0.2297734627831715 x 100 = 22.98%