-76.19% is the change from 378 to 90
Calculation steps:
[( 90 - 378 ) ÷ 378] x 100 = -76.19%
Formula
Percentage change = [(90 - 378) / 378] x 100
Subtract the new number by the original number
90 - 378 = -288
-288 ÷ 378 = -0.7619047619047619
-0.7619047619047619 x 100 = -76.19%