100.46% is the change from 438 to 878
Calculation steps:
[( 878 - 438 ) ÷ 438] x 100 = 100.46%
Formula
Percentage change = [(878 - 438) / 438] x 100
Subtract the new number by the original number
878 - 438 = 440
440 ÷ 438 = 1.004566210045662
1.004566210045662 x 100 = 100.46%