97.03% is the change from 438 to 863
Calculation steps:
[( 863 - 438 ) ÷ 438] x 100 = 97.03%
Formula
Percentage change = [(863 - 438) / 438] x 100
Subtract the new number by the original number
863 - 438 = 425
425 ÷ 438 = 0.9703196347031964
0.9703196347031964 x 100 = 97.03%