-51.68% is the change from 654 to 316
Calculation steps:
[( 316 - 654 ) ÷ 654] x 100 = -51.68%
Formula
Percentage change = [(316 - 654) / 654] x 100
Subtract the new number by the original number
316 - 654 = -338
-338 ÷ 654 = -0.5168195718654435
-0.5168195718654435 x 100 = -51.68%