-95.58% is the change from 634 to 28
Calculation steps:
[( 28 - 634 ) ÷ 634] x 100 = -95.58%
Formula
Percentage change = [(28 - 634) / 634] x 100
Subtract the new number by the original number
28 - 634 = -606
-606 ÷ 634 = -0.9558359621451105
-0.9558359621451105 x 100 = -95.58%