33.55% is the change from 304 to 406
Calculation steps:
[( 406 - 304 ) ÷ 304] x 100 = 33.55%
Formula
Percentage change = [(406 - 304) / 304] x 100
Subtract the new number by the original number
406 - 304 = 102
102 ÷ 304 = 0.3355263157894737
0.3355263157894737 x 100 = 33.55%