1929.41% is the change from 17 to 345
Calculation steps:
[( 345 - 17 ) ÷ 17] x 100 = 1929.41%
Formula
Percentage change = [(345 - 17) / 17] x 100
Subtract the new number by the original number
345 - 17 = 328
328 ÷ 17 = 19.294117647058822
19.294117647058822 x 100 = 1929.41%