41.38% is the change from 319 to 451
Calculation steps:
[( 451 - 319 ) ÷ 319] x 100 = 41.38%
Formula
Percentage change = [(451 - 319) / 319] x 100
Subtract the new number by the original number
451 - 319 = 132
132 ÷ 319 = 0.41379310344827586
0.41379310344827586 x 100 = 41.38%