4433.33% is the change from 15 to 680
Calculation steps:
[( 680 - 15 ) ÷ 15] x 100 = 4433.33%
Formula
Percentage change = [(680 - 15) / 15] x 100
Subtract the new number by the original number
680 - 15 = 665
665 ÷ 15 = 44.333333333333336
44.333333333333336 x 100 = 4433.33%