-51.38% is the change from 654 to 318
Calculation steps:
[( 318 - 654 ) ÷ 654] x 100 = -51.38%
Formula
Percentage change = [(318 - 654) / 654] x 100
Subtract the new number by the original number
318 - 654 = -336
-336 ÷ 654 = -0.5137614678899083
-0.5137614678899083 x 100 = -51.38%