166.05% is the change from 271 to 721
Calculation steps:
[( 721 - 271 ) ÷ 271] x 100 = 166.05%
Formula
Percentage change = [(721 - 271) / 271] x 100
Subtract the new number by the original number
721 - 271 = 450
450 ÷ 271 = 1.6605166051660516
1.6605166051660516 x 100 = 166.05%