47.95% is the change from 438 to 648
Calculation steps:
[( 648 - 438 ) ÷ 438] x 100 = 47.95%
Formula
Percentage change = [(648 - 438) / 438] x 100
Subtract the new number by the original number
648 - 438 = 210
210 ÷ 438 = 0.4794520547945205
0.4794520547945205 x 100 = 47.95%