-68.51% is the change from 543 to 171
Calculation steps:
[( 171 - 543 ) ÷ 543] x 100 = -68.51%
Formula
Percentage change = [(171 - 543) / 543] x 100
Subtract the new number by the original number
171 - 543 = -372
-372 ÷ 543 = -0.6850828729281768
-0.6850828729281768 x 100 = -68.51%