21.91% is the change from 388 to 473
Calculation steps:
[( 473 - 388 ) ÷ 388] x 100 = 21.91%
Formula
Percentage change = [(473 - 388) / 388] x 100
Subtract the new number by the original number
473 - 388 = 85
85 ÷ 388 = 0.2190721649484536
0.2190721649484536 x 100 = 21.91%