-68.22% is the change from 623 to 198
Calculation steps:
[( 198 - 623 ) ÷ 623] x 100 = -68.22%
Formula
Percentage change = [(198 - 623) / 623] x 100
Subtract the new number by the original number
198 - 623 = -425
-425 ÷ 623 = -0.6821829855537721
-0.6821829855537721 x 100 = -68.22%