794.74% is the change from 38 to 340
Calculation steps:
[( 340 - 38 ) ÷ 38] x 100 = 794.74%
Formula
Percentage change = [(340 - 38) / 38] x 100
Subtract the new number by the original number
340 - 38 = 302
302 ÷ 38 = 7.947368421052632
7.947368421052632 x 100 = 794.74%