-67.26% is the change from 623 to 204
Calculation steps:
[( 204 - 623 ) ÷ 623] x 100 = -67.26%
Formula
Percentage change = [(204 - 623) / 623] x 100
Subtract the new number by the original number
204 - 623 = -419
-419 ÷ 623 = -0.6725521669341894
-0.6725521669341894 x 100 = -67.26%