73.45% is the change from 388 to 673
Calculation steps:
[( 673 - 388 ) ÷ 388] x 100 = 73.45%
Formula
Percentage change = [(673 - 388) / 388] x 100
Subtract the new number by the original number
673 - 388 = 285
285 ÷ 388 = 0.7345360824742269
0.7345360824742269 x 100 = 73.45%