39.3% is the change from 687 to 957
Calculation steps:
[( 957 - 687 ) ÷ 687] x 100 = 39.3%
Formula
Percentage change = [(957 - 687) / 687] x 100
Subtract the new number by the original number
957 - 687 = 270
270 ÷ 687 = 0.3930131004366812
0.3930131004366812 x 100 = 39.3%