57.47% is the change from 388 to 611
Calculation steps:
[( 611 - 388 ) ÷ 388] x 100 = 57.47%
Formula
Percentage change = [(611 - 388) / 388] x 100
Subtract the new number by the original number
611 - 388 = 223
223 ÷ 388 = 0.5747422680412371
0.5747422680412371 x 100 = 57.47%