99.09% is the change from 438 to 872
Calculation steps:
[( 872 - 438 ) ÷ 438] x 100 = 99.09%
Formula
Percentage change = [(872 - 438) / 438] x 100
Subtract the new number by the original number
872 - 438 = 434
434 ÷ 438 = 0.9908675799086758
0.9908675799086758 x 100 = 99.09%