32.28% is the change from 635 to 840
Calculation steps:
[( 840 - 635 ) ÷ 635] x 100 = 32.28%
Formula
Percentage change = [(840 - 635) / 635] x 100
Subtract the new number by the original number
840 - 635 = 205
205 ÷ 635 = 0.3228346456692913
0.3228346456692913 x 100 = 32.28%