1631.58% is the change from 19 to 329
Calculation steps:
[( 329 - 19 ) ÷ 19] x 100 = 1631.58%
Formula
Percentage change = [(329 - 19) / 19] x 100
Subtract the new number by the original number
329 - 19 = 310
310 ÷ 19 = 16.31578947368421
16.31578947368421 x 100 = 1631.58%