1360% is the change from 15 to 219
Calculation steps:
[( 219 - 15 ) ÷ 15] x 100 = 1360%
Formula
Percentage change = [(219 - 15) / 15] x 100
Subtract the new number by the original number
219 - 15 = 204
204 ÷ 15 = 13.6
13.6 x 100 = 1360%
Example