49.01% is the change from 555 to 827
Calculation steps:
[( 827 - 555 ) ÷ 555] x 100 = 49.01%
Formula
Percentage change = [(827 - 555) / 555] x 100
Subtract the new number by the original number
827 - 555 = 272
272 ÷ 555 = 0.4900900900900901
0.4900900900900901 x 100 = 49.01%