-99.08% is the change from 655 to 6
Calculation steps:
[( 6 - 655 ) ÷ 655] x 100 = -99.08%
Formula
Percentage change = [(6 - 655) / 655] x 100
Subtract the new number by the original number
6 - 655 = -649
-649 ÷ 655 = -0.9908396946564886
-0.9908396946564886 x 100 = -99.08%