46.88% is the change from 320 to 470
Calculation steps:
[( 470 - 320 ) ÷ 320] x 100 = 46.88%
Formula
Percentage change = [(470 - 320) / 320] x 100
Subtract the new number by the original number
470 - 320 = 150
150 ÷ 320 = 0.46875
0.46875 x 100 = 46.88%