-86.92% is the change from 543 to 71
Calculation steps:
[( 71 - 543 ) ÷ 543] x 100 = -86.92%
Formula
Percentage change = [(71 - 543) / 543] x 100
Subtract the new number by the original number
71 - 543 = -472
-472 ÷ 543 = -0.8692449355432781
-0.8692449355432781 x 100 = -86.92%