-60.25% is the change from 649 to 258
Calculation steps:
[( 258 - 649 ) ÷ 649] x 100 = -60.25%
Formula
Percentage change = [(258 - 649) / 649] x 100
Subtract the new number by the original number
258 - 649 = -391
-391 ÷ 649 = -0.6024653312788906
-0.6024653312788906 x 100 = -60.25%