-81.57% is the change from 548 to 101
Calculation steps:
[( 101 - 548 ) ÷ 548] x 100 = -81.57%
Formula
Percentage change = [(101 - 548) / 548] x 100
Subtract the new number by the original number
101 - 548 = -447
-447 ÷ 548 = -0.8156934306569343
-0.8156934306569343 x 100 = -81.57%