52.64% is the change from 549 to 838
Calculation steps:
[( 838 - 549 ) ÷ 549] x 100 = 52.64%
Formula
Percentage change = [(838 - 549) / 549] x 100
Subtract the new number by the original number
838 - 549 = 289
289 ÷ 549 = 0.5264116575591985
0.5264116575591985 x 100 = 52.64%