-96.32% is the change from 543 to 20
Calculation steps:
[( 20 - 543 ) ÷ 543] x 100 = -96.32%
Formula
Percentage change = [(20 - 543) / 543] x 100
Subtract the new number by the original number
20 - 543 = -523
-523 ÷ 543 = -0.9631675874769797
-0.9631675874769797 x 100 = -96.32%