39.58% is the change from 667 to 931
Calculation steps:
[( 931 - 667 ) ÷ 667] x 100 = 39.58%
Formula
Percentage change = [(931 - 667) / 667] x 100
Subtract the new number by the original number
931 - 667 = 264
264 ÷ 667 = 0.39580209895052476
0.39580209895052476 x 100 = 39.58%