48.4% is the change from 438 to 650
Calculation steps:
[( 650 - 438 ) ÷ 438] x 100 = 48.4%
Formula
Percentage change = [(650 - 438) / 438] x 100
Subtract the new number by the original number
650 - 438 = 212
212 ÷ 438 = 0.4840182648401826
0.4840182648401826 x 100 = 48.4%