-80.66% is the change from 543 to 105
Calculation steps:
[( 105 - 543 ) ÷ 543] x 100 = -80.66%
Formula
Percentage change = [(105 - 543) / 543] x 100
Subtract the new number by the original number
105 - 543 = -438
-438 ÷ 543 = -0.8066298342541437
-0.8066298342541437 x 100 = -80.66%