56.49% is the change from 478 to 748
Calculation steps:
[( 748 - 478 ) ÷ 478] x 100 = 56.49%
Formula
Percentage change = [(748 - 478) / 478] x 100
Subtract the new number by the original number
748 - 478 = 270
270 ÷ 478 = 0.5648535564853556
0.5648535564853556 x 100 = 56.49%