50.64% is the change from 549 to 827
Calculation steps:
[( 827 - 549 ) ÷ 549] x 100 = 50.64%
Formula
Percentage change = [(827 - 549) / 549] x 100
Subtract the new number by the original number
827 - 549 = 278
278 ÷ 549 = 0.5063752276867031
0.5063752276867031 x 100 = 50.64%