661.76% is the change from 34 to 259
Calculation steps:
[( 259 - 34 ) ÷ 34] x 100 = 661.76%
Formula
Percentage change = [(259 - 34) / 34] x 100
Subtract the new number by the original number
259 - 34 = 225
225 ÷ 34 = 6.617647058823529
6.617647058823529 x 100 = 661.76%