-5.11% is the change from 548 to 520
Calculation steps:
[( 520 - 548 ) ÷ 548] x 100 = -5.11%
Formula
Percentage change = [(520 - 548) / 548] x 100
Subtract the new number by the original number
520 - 548 = -28
-28 ÷ 548 = -0.051094890510948905
-0.051094890510948905 x 100 = -5.11%