-96.35% is the change from 548 to 20
Calculation steps:
[( 20 - 548 ) ÷ 548] x 100 = -96.35%
Formula
Percentage change = [(20 - 548) / 548] x 100
Subtract the new number by the original number
20 - 548 = -528
-528 ÷ 548 = -0.9635036496350365
-0.9635036496350365 x 100 = -96.35%