41.5% is the change from 306 to 433
Calculation steps:
[( 433 - 306 ) ÷ 306] x 100 = 41.5%
Formula
Percentage change = [(433 - 306) / 306] x 100
Subtract the new number by the original number
433 - 306 = 127
127 ÷ 306 = 0.4150326797385621
0.4150326797385621 x 100 = 41.5%