-80.69% is the change from 378 to 73
Calculation steps:
[( 73 - 378 ) ÷ 378] x 100 = -80.69%
Formula
Percentage change = [(73 - 378) / 378] x 100
Subtract the new number by the original number
73 - 378 = -305
-305 ÷ 378 = -0.8068783068783069
-0.8068783068783069 x 100 = -80.69%