142.64% is the change from 387 to 939
Calculation steps:
[( 939 - 387 ) ÷ 387] x 100 = 142.64%
Formula
Percentage change = [(939 - 387) / 387] x 100
Subtract the new number by the original number
939 - 387 = 552
552 ÷ 387 = 1.426356589147287
1.426356589147287 x 100 = 142.64%