10.82% is the change from 305 to 338
Calculation steps:
[( 338 - 305 ) ÷ 305] x 100 = 10.82%
Formula
Percentage change = [(338 - 305) / 305] x 100
Subtract the new number by the original number
338 - 305 = 33
33 ÷ 305 = 0.10819672131147541
0.10819672131147541 x 100 = 10.82%