65.06% is the change from 415 to 685
Calculation steps:
[( 685 - 415 ) ÷ 415] x 100 = 65.06%
Formula
Percentage change = [(685 - 415) / 415] x 100
Subtract the new number by the original number
685 - 415 = 270
270 ÷ 415 = 0.6506024096385542
0.6506024096385542 x 100 = 65.06%