1733.33% is the change from 15 to 275
Calculation steps:
[( 275 - 15 ) ÷ 15] x 100 = 1733.33%
Formula
Percentage change = [(275 - 15) / 15] x 100
Subtract the new number by the original number
275 - 15 = 260
260 ÷ 15 = 17.333333333333332
17.333333333333332 x 100 = 1733.33%