34.64% is the change from 306 to 412
Calculation steps:
[( 412 - 306 ) ÷ 306] x 100 = 34.64%
Formula
Percentage change = [(412 - 306) / 306] x 100
Subtract the new number by the original number
412 - 306 = 106
106 ÷ 306 = 0.3464052287581699
0.3464052287581699 x 100 = 34.64%