53.1% is the change from 548 to 839
Calculation steps:
[( 839 - 548 ) ÷ 548] x 100 = 53.1%
Formula
Percentage change = [(839 - 548) / 548] x 100
Subtract the new number by the original number
839 - 548 = 291
291 ÷ 548 = 0.531021897810219
0.531021897810219 x 100 = 53.1%