3.2% is the change from 438 to 452
Calculation steps:
[( 452 - 438 ) ÷ 438] x 100 = 3.2%
Formula
Percentage change = [(452 - 438) / 438] x 100
Subtract the new number by the original number
452 - 438 = 14
14 ÷ 438 = 0.0319634703196347
0.0319634703196347 x 100 = 3.2%