50.23% is the change from 438 to 658
Calculation steps:
[( 658 - 438 ) ÷ 438] x 100 = 50.23%
Formula
Percentage change = [(658 - 438) / 438] x 100
Subtract the new number by the original number
658 - 438 = 220
220 ÷ 438 = 0.502283105022831
0.502283105022831 x 100 = 50.23%