30.98% is the change from 523 to 685
Calculation steps:
[( 685 - 523 ) ÷ 523] x 100 = 30.98%
Formula
Percentage change = [(685 - 523) / 523] x 100
Subtract the new number by the original number
685 - 523 = 162
162 ÷ 523 = 0.30975143403441685
0.30975143403441685 x 100 = 30.98%