1263.16% is the change from 19 to 259
Calculation steps:
[( 259 - 19 ) ÷ 19] x 100 = 1263.16%
Formula
Percentage change = [(259 - 19) / 19] x 100
Subtract the new number by the original number
259 - 19 = 240
240 ÷ 19 = 12.631578947368421
12.631578947368421 x 100 = 1263.16%