69.74% is the change from 271 to 460
Calculation steps:
[( 460 - 271 ) ÷ 271] x 100 = 69.74%
Formula
Percentage change = [(460 - 271) / 271] x 100
Subtract the new number by the original number
460 - 271 = 189
189 ÷ 271 = 0.6974169741697417
0.6974169741697417 x 100 = 69.74%