50.26% is the change from 388 to 583
Calculation steps:
[( 583 - 388 ) ÷ 388] x 100 = 50.26%
Formula
Percentage change = [(583 - 388) / 388] x 100
Subtract the new number by the original number
583 - 388 = 195
195 ÷ 388 = 0.5025773195876289
0.5025773195876289 x 100 = 50.26%