48.91% is the change from 548 to 816
Calculation steps:
[( 816 - 548 ) ÷ 548] x 100 = 48.91%
Formula
Percentage change = [(816 - 548) / 548] x 100
Subtract the new number by the original number
816 - 548 = 268
268 ÷ 548 = 0.48905109489051096
0.48905109489051096 x 100 = 48.91%