-67.09% is the change from 623 to 205
Calculation steps:
[( 205 - 623 ) ÷ 623] x 100 = -67.09%
Formula
Percentage change = [(205 - 623) / 623] x 100
Subtract the new number by the original number
205 - 623 = -418
-418 ÷ 623 = -0.6709470304975923
-0.6709470304975923 x 100 = -67.09%