-48.69% is the change from 651 to 334
Calculation steps:
[( 334 - 651 ) ÷ 651] x 100 = -48.69%
Formula
Percentage change = [(334 - 651) / 651] x 100
Subtract the new number by the original number
334 - 651 = -317
-317 ÷ 651 = -0.4869431643625192
-0.4869431643625192 x 100 = -48.69%