-45.75% is the change from 623 to 338
Calculation steps:
[( 338 - 623 ) ÷ 623] x 100 = -45.75%
Formula
Percentage change = [(338 - 623) / 623] x 100
Subtract the new number by the original number
338 - 623 = -285
-285 ÷ 623 = -0.45746388443017655
-0.45746388443017655 x 100 = -45.75%