1310.53% is the change from 19 to 268
Calculation steps:
[( 268 - 19 ) ÷ 19] x 100 = 1310.53%
Formula
Percentage change = [(268 - 19) / 19] x 100
Subtract the new number by the original number
268 - 19 = 249
249 ÷ 19 = 13.105263157894736
13.105263157894736 x 100 = 1310.53%