144.7% is the change from 387 to 947
Calculation steps:
[( 947 - 387 ) ÷ 387] x 100 = 144.7%
Formula
Percentage change = [(947 - 387) / 387] x 100
Subtract the new number by the original number
947 - 387 = 560
560 ÷ 387 = 1.4470284237726099
1.4470284237726099 x 100 = 144.7%