-89.39% is the change from 377 to 40
Calculation steps:
[( 40 - 377 ) ÷ 377] x 100 = -89.39%
Formula
Percentage change = [(40 - 377) / 377] x 100
Subtract the new number by the original number
40 - 377 = -337
-337 ÷ 377 = -0.8938992042440318
-0.8938992042440318 x 100 = -89.39%