-48.62% is the change from 654 to 336
Calculation steps:
[( 336 - 654 ) ÷ 654] x 100 = -48.62%
Formula
Percentage change = [(336 - 654) / 654] x 100
Subtract the new number by the original number
336 - 654 = -318
-318 ÷ 654 = -0.48623853211009177
-0.48623853211009177 x 100 = -48.62%