72.41% is the change from 551 to 950
Calculation steps:
[( 950 - 551 ) ÷ 551] x 100 = 72.41%
Formula
Percentage change = [(950 - 551) / 551] x 100
Subtract the new number by the original number
950 - 551 = 399
399 ÷ 551 = 0.7241379310344828
0.7241379310344828 x 100 = 72.41%