31.1% is the change from 730 to 957
Calculation steps:
[( 957 - 730 ) ÷ 730] x 100 = 31.1%
Formula
Percentage change = [(957 - 730) / 730] x 100
Subtract the new number by the original number
957 - 730 = 227
227 ÷ 730 = 0.31095890410958904
0.31095890410958904 x 100 = 31.1%