-54.2% is the change from 738 to 338
Calculation steps:
[( 338 - 738 ) ÷ 738] x 100 = -54.2%
Formula
Percentage change = [(338 - 738) / 738] x 100
Subtract the new number by the original number
338 - 738 = -400
-400 ÷ 738 = -0.5420054200542005
-0.5420054200542005 x 100 = -54.2%