158.14% is the change from 387 to 999
Calculation steps:
[( 999 - 387 ) ÷ 387] x 100 = 158.14%
Formula
Percentage change = [(999 - 387) / 387] x 100
Subtract the new number by the original number
999 - 387 = 612
612 ÷ 387 = 1.5813953488372092
1.5813953488372092 x 100 = 158.14%