50% is the change from 548 to 822
Calculation steps:
[( 822 - 548 ) ÷ 548] x 100 = 50%
Formula
Percentage change = [(822 - 548) / 548] x 100
Subtract the new number by the original number
822 - 548 = 274
274 ÷ 548 = 0.5
0.5 x 100 = 50%
Example