43.49% is the change from 315 to 452
Calculation steps:
[( 452 - 315 ) ÷ 315] x 100 = 43.49%
Formula
Percentage change = [(452 - 315) / 315] x 100
Subtract the new number by the original number
452 - 315 = 137
137 ÷ 315 = 0.43492063492063493
0.43492063492063493 x 100 = 43.49%