20.69% is the change from 609 to 735
Calculation steps:
[( 735 - 609 ) ÷ 609] x 100 = 20.69%
Formula
Percentage change = [(735 - 609) / 609] x 100
Subtract the new number by the original number
735 - 609 = 126
126 ÷ 609 = 0.20689655172413793
0.20689655172413793 x 100 = 20.69%