-60.86% is the change from 649 to 254
Calculation steps:
[( 254 - 649 ) ÷ 649] x 100 = -60.86%
Formula
Percentage change = [(254 - 649) / 649] x 100
Subtract the new number by the original number
254 - 649 = -395
-395 ÷ 649 = -0.6086286594761171
-0.6086286594761171 x 100 = -60.86%