-98.89% is the change from 633 to 7
Calculation steps:
[( 7 - 633 ) ÷ 633] x 100 = -98.89%
Formula
Percentage change = [(7 - 633) / 633] x 100
Subtract the new number by the original number
7 - 633 = -626
-626 ÷ 633 = -0.9889415481832543
-0.9889415481832543 x 100 = -98.89%