-42.6% is the change from 554 to 318
Calculation steps:
[( 318 - 554 ) ÷ 554] x 100 = -42.6%
Formula
Percentage change = [(318 - 554) / 554] x 100
Subtract the new number by the original number
318 - 554 = -236
-236 ÷ 554 = -0.4259927797833935
-0.4259927797833935 x 100 = -42.6%