-9.76% is the change from 543 to 490
Calculation steps:
[( 490 - 543 ) ÷ 543] x 100 = -9.76%
Formula
Percentage change = [(490 - 543) / 543] x 100
Subtract the new number by the original number
490 - 543 = -53
-53 ÷ 543 = -0.09760589318600368
-0.09760589318600368 x 100 = -9.76%