51.42% is the change from 387 to 586
Calculation steps:
[( 586 - 387 ) ÷ 387] x 100 = 51.42%
Formula
Percentage change = [(586 - 387) / 387] x 100
Subtract the new number by the original number
586 - 387 = 199
199 ÷ 387 = 0.5142118863049095
0.5142118863049095 x 100 = 51.42%