1394.74% is the change from 19 to 284
Calculation steps:
[( 284 - 19 ) ÷ 19] x 100 = 1394.74%
Formula
Percentage change = [(284 - 19) / 19] x 100
Subtract the new number by the original number
284 - 19 = 265
265 ÷ 19 = 13.947368421052632
13.947368421052632 x 100 = 1394.74%