-69.18% is the change from 649 to 200
Calculation steps:
[( 200 - 649 ) ÷ 649] x 100 = -69.18%
Formula
Percentage change = [(200 - 649) / 649] x 100
Subtract the new number by the original number
200 - 649 = -449
-449 ÷ 649 = -0.6918335901386748
-0.6918335901386748 x 100 = -69.18%