274.65% is the change from 71 to 266
Calculation steps:
[( 266 - 71 ) ÷ 71] x 100 = 274.65%
Formula
Percentage change = [(266 - 71) / 71] x 100
Subtract the new number by the original number
266 - 71 = 195
195 ÷ 71 = 2.7464788732394365
2.7464788732394365 x 100 = 274.65%