43.64% is the change from 637 to 915
Calculation steps:
[( 915 - 637 ) ÷ 637] x 100 = 43.64%
Formula
Percentage change = [(915 - 637) / 637] x 100
Subtract the new number by the original number
915 - 637 = 278
278 ÷ 637 = 0.4364207221350079
0.4364207221350079 x 100 = 43.64%