-99.68% is the change from 632 to 2
Calculation steps:
[( 2 - 632 ) ÷ 632] x 100 = -99.68%
Formula
Percentage change = [(2 - 632) / 632] x 100
Subtract the new number by the original number
2 - 632 = -630
-630 ÷ 632 = -0.9968354430379747
-0.9968354430379747 x 100 = -99.68%