1215.79% is the change from 19 to 250
Calculation steps:
[( 250 - 19 ) ÷ 19] x 100 = 1215.79%
Formula
Percentage change = [(250 - 19) / 19] x 100
Subtract the new number by the original number
250 - 19 = 231
231 ÷ 19 = 12.157894736842104
12.157894736842104 x 100 = 1215.79%