-99.05% is the change from 633 to 6
Calculation steps:
[( 6 - 633 ) ÷ 633] x 100 = -99.05%
Formula
Percentage change = [(6 - 633) / 633] x 100
Subtract the new number by the original number
6 - 633 = -627
-627 ÷ 633 = -0.990521327014218
-0.990521327014218 x 100 = -99.05%