50.09% is the change from 551 to 827
Calculation steps:
[( 827 - 551 ) ÷ 551] x 100 = 50.09%
Formula
Percentage change = [(827 - 551) / 551] x 100
Subtract the new number by the original number
827 - 551 = 276
276 ÷ 551 = 0.5009074410163339
0.5009074410163339 x 100 = 50.09%