-62.56% is the change from 649 to 243
Calculation steps:
[( 243 - 649 ) ÷ 649] x 100 = -62.56%
Formula
Percentage change = [(243 - 649) / 649] x 100
Subtract the new number by the original number
243 - 649 = -406
-406 ÷ 649 = -0.6255778120184899
-0.6255778120184899 x 100 = -62.56%