-97.39% is the change from 612 to 16
Calculation steps:
[( 16 - 612 ) ÷ 612] x 100 = -97.39%
Formula
Percentage change = [(16 - 612) / 612] x 100
Subtract the new number by the original number
16 - 612 = -596
-596 ÷ 612 = -0.9738562091503268
-0.9738562091503268 x 100 = -97.39%