-41.44% is the change from 543 to 318
Calculation steps:
[( 318 - 543 ) ÷ 543] x 100 = -41.44%
Formula
Percentage change = [(318 - 543) / 543] x 100
Subtract the new number by the original number
318 - 543 = -225
-225 ÷ 543 = -0.4143646408839779
-0.4143646408839779 x 100 = -41.44%