5140% is the change from 15 to 786
Calculation steps:
[( 786 - 15 ) ÷ 15] x 100 = 5140%
Formula
Percentage change = [(786 - 15) / 15] x 100
Subtract the new number by the original number
786 - 15 = 771
771 ÷ 15 = 51.4
51.4 x 100 = 5140%
Example