66.51% is the change from 415 to 691
Calculation steps:
[( 691 - 415 ) ÷ 415] x 100 = 66.51%
Formula
Percentage change = [(691 - 415) / 415] x 100
Subtract the new number by the original number
691 - 415 = 276
276 ÷ 415 = 0.6650602409638554
0.6650602409638554 x 100 = 66.51%