-81.95% is the change from 543 to 98
Calculation steps:
[( 98 - 543 ) ÷ 543] x 100 = -81.95%
Formula
Percentage change = [(98 - 543) / 543] x 100
Subtract the new number by the original number
98 - 543 = -445
-445 ÷ 543 = -0.8195211786372008
-0.8195211786372008 x 100 = -81.95%