6300% is the change from 15 to 960
Calculation steps:
[( 960 - 15 ) ÷ 15] x 100 = 6300%
Formula
Percentage change = [(960 - 15) / 15] x 100
Subtract the new number by the original number
960 - 15 = 945
945 ÷ 15 = 63
63 x 100 = 6300%
Example