59.04% is the change from 415 to 660
Calculation steps:
[( 660 - 415 ) ÷ 415] x 100 = 59.04%
Formula
Percentage change = [(660 - 415) / 415] x 100
Subtract the new number by the original number
660 - 415 = 245
245 ÷ 415 = 0.5903614457831325
0.5903614457831325 x 100 = 59.04%