22.17% is the change from 451 to 551
Calculation steps:
[( 551 - 451 ) ÷ 451] x 100 = 22.17%
Formula
Percentage change = [(551 - 451) / 451] x 100
Subtract the new number by the original number
551 - 451 = 100
100 ÷ 451 = 0.22172949002217296
0.22172949002217296 x 100 = 22.17%