64.82% is the change from 415 to 684
Calculation steps:
[( 684 - 415 ) ÷ 415] x 100 = 64.82%
Formula
Percentage change = [(684 - 415) / 415] x 100
Subtract the new number by the original number
684 - 415 = 269
269 ÷ 415 = 0.6481927710843374
0.6481927710843374 x 100 = 64.82%