103.32% is the change from 271 to 551
Calculation steps:
[( 551 - 271 ) ÷ 271] x 100 = 103.32%
Formula
Percentage change = [(551 - 271) / 271] x 100
Subtract the new number by the original number
551 - 271 = 280
280 ÷ 271 = 1.033210332103321
1.033210332103321 x 100 = 103.32%