43.79% is the change from 306 to 440
Calculation steps:
[( 440 - 306 ) ÷ 306] x 100 = 43.79%
Formula
Percentage change = [(440 - 306) / 306] x 100
Subtract the new number by the original number
440 - 306 = 134
134 ÷ 306 = 0.43790849673202614
0.43790849673202614 x 100 = 43.79%