81.93% is the change from 548 to 997
Calculation steps:
[( 997 - 548 ) ÷ 548] x 100 = 81.93%
Formula
Percentage change = [(997 - 548) / 548] x 100
Subtract the new number by the original number
997 - 548 = 449
449 ÷ 548 = 0.8193430656934306
0.8193430656934306 x 100 = 81.93%