-89.45% is the change from 379 to 40
Calculation steps:
[( 40 - 379 ) ÷ 379] x 100 = -89.45%
Formula
Percentage change = [(40 - 379) / 379] x 100
Subtract the new number by the original number
40 - 379 = -339
-339 ÷ 379 = -0.8944591029023746
-0.8944591029023746 x 100 = -89.45%