1380% is the change from 15 to 222
Calculation steps:
[( 222 - 15 ) ÷ 15] x 100 = 1380%
Formula
Percentage change = [(222 - 15) / 15] x 100
Subtract the new number by the original number
222 - 15 = 207
207 ÷ 15 = 13.8
13.8 x 100 = 1380%
Example