65.3% is the change from 415 to 686
Calculation steps:
[( 686 - 415 ) ÷ 415] x 100 = 65.3%
Formula
Percentage change = [(686 - 415) / 415] x 100
Subtract the new number by the original number
686 - 415 = 271
271 ÷ 415 = 0.653012048192771
0.653012048192771 x 100 = 65.3%