-21.36% is the change from 543 to 427
Calculation steps:
[( 427 - 543 ) ÷ 543] x 100 = -21.36%
Formula
Percentage change = [(427 - 543) / 543] x 100
Subtract the new number by the original number
427 - 543 = -116
-116 ÷ 543 = -0.2136279926335175
-0.2136279926335175 x 100 = -21.36%