1636.84% is the change from 19 to 330
Calculation steps:
[( 330 - 19 ) ÷ 19] x 100 = 1636.84%
Formula
Percentage change = [(330 - 19) / 19] x 100
Subtract the new number by the original number
330 - 19 = 311
311 ÷ 19 = 16.36842105263158
16.36842105263158 x 100 = 1636.84%