21.45% is the change from 564 to 685
Calculation steps:
[( 685 - 564 ) ÷ 564] x 100 = 21.45%
Formula
Percentage change = [(685 - 564) / 564] x 100
Subtract the new number by the original number
685 - 564 = 121
121 ÷ 564 = 0.21453900709219859
0.21453900709219859 x 100 = 21.45%