51.29% is the change from 388 to 587
Calculation steps:
[( 587 - 388 ) ÷ 388] x 100 = 51.29%
Formula
Percentage change = [(587 - 388) / 388] x 100
Subtract the new number by the original number
587 - 388 = 199
199 ÷ 388 = 0.5128865979381443
0.5128865979381443 x 100 = 51.29%