135.06% is the change from 271 to 637
Calculation steps:
[( 637 - 271 ) ÷ 271] x 100 = 135.06%
Formula
Percentage change = [(637 - 271) / 271] x 100
Subtract the new number by the original number
637 - 271 = 366
366 ÷ 271 = 1.3505535055350553
1.3505535055350553 x 100 = 135.06%