23.52% is the change from 523 to 646
Calculation steps:
[( 646 - 523 ) ÷ 523] x 100 = 23.52%
Formula
Percentage change = [(646 - 523) / 523] x 100
Subtract the new number by the original number
646 - 523 = 123
123 ÷ 523 = 0.23518164435946462
0.23518164435946462 x 100 = 23.52%