28.21% is the change from 351 to 450
Calculation steps:
[( 450 - 351 ) ÷ 351] x 100 = 28.21%
Formula
Percentage change = [(450 - 351) / 351] x 100
Subtract the new number by the original number
450 - 351 = 99
99 ÷ 351 = 0.28205128205128205
0.28205128205128205 x 100 = 28.21%