3.18% is the change from 661 to 682
Calculation steps:
[( 682 - 661 ) ÷ 661] x 100 = 3.18%
Formula
Percentage change = [(682 - 661) / 661] x 100
Subtract the new number by the original number
682 - 661 = 21
21 ÷ 661 = 0.03177004538577912
0.03177004538577912 x 100 = 3.18%