47.91% is the change from 647 to 957
Calculation steps:
[( 957 - 647 ) ÷ 647] x 100 = 47.91%
Formula
Percentage change = [(957 - 647) / 647] x 100
Subtract the new number by the original number
957 - 647 = 310
310 ÷ 647 = 0.47913446676970634
0.47913446676970634 x 100 = 47.91%