49.36% is the change from 551 to 823
Calculation steps:
[( 823 - 551 ) ÷ 551] x 100 = 49.36%
Formula
Percentage change = [(823 - 551) / 551] x 100
Subtract the new number by the original number
823 - 551 = 272
272 ÷ 551 = 0.49364791288566245
0.49364791288566245 x 100 = 49.36%