50.77% is the change from 388 to 585
Calculation steps:
[( 585 - 388 ) ÷ 388] x 100 = 50.77%
Formula
Percentage change = [(585 - 388) / 388] x 100
Subtract the new number by the original number
585 - 388 = 197
197 ÷ 388 = 0.5077319587628866
0.5077319587628866 x 100 = 50.77%