100.91% is the change from 438 to 880
Calculation steps:
[( 880 - 438 ) ÷ 438] x 100 = 100.91%
Formula
Percentage change = [(880 - 438) / 438] x 100
Subtract the new number by the original number
880 - 438 = 442
442 ÷ 438 = 1.0091324200913243
1.0091324200913243 x 100 = 100.91%