-97.75% is the change from 623 to 14
Calculation steps:
[( 14 - 623 ) ÷ 623] x 100 = -97.75%
Formula
Percentage change = [(14 - 623) / 623] x 100
Subtract the new number by the original number
14 - 623 = -609
-609 ÷ 623 = -0.9775280898876404
-0.9775280898876404 x 100 = -97.75%