17.57% is the change from 814 to 957
Calculation steps:
[( 957 - 814 ) ÷ 814] x 100 = 17.57%
Formula
Percentage change = [(957 - 814) / 814] x 100
Subtract the new number by the original number
957 - 814 = 143
143 ÷ 814 = 0.17567567567567569
0.17567567567567569 x 100 = 17.57%