4.18% is the change from 957 to 997
Calculation steps:
[( 997 - 957 ) ÷ 957] x 100 = 4.18%
Formula
Percentage change = [(997 - 957) / 957] x 100
Subtract the new number by the original number
997 - 957 = 40
40 ÷ 957 = 0.04179728317659352
0.04179728317659352 x 100 = 4.18%