-57.85% is the change from 548 to 231
Calculation steps:
[( 231 - 548 ) ÷ 548] x 100 = -57.85%
Formula
Percentage change = [(231 - 548) / 548] x 100
Subtract the new number by the original number
231 - 548 = -317
-317 ÷ 548 = -0.5784671532846716
-0.5784671532846716 x 100 = -57.85%