700% is the change from 34 to 272
Calculation steps:
[( 272 - 34 ) ÷ 34] x 100 = 700%
Formula
Percentage change = [(272 - 34) / 34] x 100
Subtract the new number by the original number
272 - 34 = 238
238 ÷ 34 = 7
7 x 100 = 700%
Example