145.38% is the change from 390 to 957
Calculation steps:
[( 957 - 390 ) ÷ 390] x 100 = 145.38%
Formula
Percentage change = [(957 - 390) / 390] x 100
Subtract the new number by the original number
957 - 390 = 567
567 ÷ 390 = 1.4538461538461538
1.4538461538461538 x 100 = 145.38%