62.1% is the change from 438 to 710
Calculation steps:
[( 710 - 438 ) ÷ 438] x 100 = 62.1%
Formula
Percentage change = [(710 - 438) / 438] x 100
Subtract the new number by the original number
710 - 438 = 272
272 ÷ 438 = 0.6210045662100456
0.6210045662100456 x 100 = 62.1%