-63.79% is the change from 649 to 235
Calculation steps:
[( 235 - 649 ) ÷ 649] x 100 = -63.79%
Formula
Percentage change = [(235 - 649) / 649] x 100
Subtract the new number by the original number
235 - 649 = -414
-414 ÷ 649 = -0.637904468412943
-0.637904468412943 x 100 = -63.79%