33900% is the change from 1 to 340
Calculation steps:
[( 340 - 1 ) ÷ 1] x 100 = 33900%
Formula
Percentage change = [(340 - 1) / 1] x 100
Subtract the new number by the original number
340 - 1 = 339
339 ÷ 1 = 339
339 x 100 = 33900%
Example