66.79% is the change from 271 to 452
Calculation steps:
[( 452 - 271 ) ÷ 271] x 100 = 66.79%
Formula
Percentage change = [(452 - 271) / 271] x 100
Subtract the new number by the original number
452 - 271 = 181
181 ÷ 271 = 0.6678966789667896
0.6678966789667896 x 100 = 66.79%