82.3% is the change from 548 to 999
Calculation steps:
[( 999 - 548 ) ÷ 548] x 100 = 82.3%
Formula
Percentage change = [(999 - 548) / 548] x 100
Subtract the new number by the original number
999 - 548 = 451
451 ÷ 548 = 0.822992700729927
0.822992700729927 x 100 = 82.3%