60.21% is the change from 387 to 620
Calculation steps:
[( 620 - 387 ) ÷ 387] x 100 = 60.21%
Formula
Percentage change = [(620 - 387) / 387] x 100
Subtract the new number by the original number
620 - 387 = 233
233 ÷ 387 = 0.6020671834625323
0.6020671834625323 x 100 = 60.21%