42.2% is the change from 635 to 903
Calculation steps:
[( 903 - 635 ) ÷ 635] x 100 = 42.2%
Formula
Percentage change = [(903 - 635) / 635] x 100
Subtract the new number by the original number
903 - 635 = 268
268 ÷ 635 = 0.4220472440944882
0.4220472440944882 x 100 = 42.2%