-97.47% is the change from 632 to 16
Calculation steps:
[( 16 - 632 ) ÷ 632] x 100 = -97.47%
Formula
Percentage change = [(16 - 632) / 632] x 100
Subtract the new number by the original number
16 - 632 = -616
-616 ÷ 632 = -0.9746835443037974
-0.9746835443037974 x 100 = -97.47%