-67.42% is the change from 623 to 203
Calculation steps:
[( 203 - 623 ) ÷ 623] x 100 = -67.42%
Formula
Percentage change = [(203 - 623) / 623] x 100
Subtract the new number by the original number
203 - 623 = -420
-420 ÷ 623 = -0.6741573033707865
-0.6741573033707865 x 100 = -67.42%