54.79% is the change from 438 to 678
Calculation steps:
[( 678 - 438 ) ÷ 438] x 100 = 54.79%
Formula
Percentage change = [(678 - 438) / 438] x 100
Subtract the new number by the original number
678 - 438 = 240
240 ÷ 438 = 0.547945205479452
0.547945205479452 x 100 = 54.79%