144.76% is the change from 391 to 957
Calculation steps:
[( 957 - 391 ) ÷ 391] x 100 = 144.76%
Formula
Percentage change = [(957 - 391) / 391] x 100
Subtract the new number by the original number
957 - 391 = 566
566 ÷ 391 = 1.4475703324808185
1.4475703324808185 x 100 = 144.76%