91.4% is the change from 500 to 957
Calculation steps:
[( 957 - 500 ) ÷ 500] x 100 = 91.4%
Formula
Percentage change = [(957 - 500) / 500] x 100
Subtract the new number by the original number
957 - 500 = 457
457 ÷ 500 = 0.914
0.914 x 100 = 91.4%
Example