-62.71% is the change from 649 to 242
Calculation steps:
[( 242 - 649 ) ÷ 649] x 100 = -62.71%
Formula
Percentage change = [(242 - 649) / 649] x 100
Subtract the new number by the original number
242 - 649 = -407
-407 ÷ 649 = -0.6271186440677966
-0.6271186440677966 x 100 = -62.71%