-97.56% is the change from 655 to 16
Calculation steps:
[( 16 - 655 ) ÷ 655] x 100 = -97.56%
Formula
Percentage change = [(16 - 655) / 655] x 100
Subtract the new number by the original number
16 - 655 = -639
-639 ÷ 655 = -0.9755725190839695
-0.9755725190839695 x 100 = -97.56%