667.65% is the change from 34 to 261
Calculation steps:
[( 261 - 34 ) ÷ 34] x 100 = 667.65%
Formula
Percentage change = [(261 - 34) / 34] x 100
Subtract the new number by the original number
261 - 34 = 227
227 ÷ 34 = 6.676470588235294
6.676470588235294 x 100 = 667.65%