-78.78% is the change from 377 to 80
Calculation steps:
[( 80 - 377 ) ÷ 377] x 100 = -78.78%
Formula
Percentage change = [(80 - 377) / 377] x 100
Subtract the new number by the original number
80 - 377 = -297
-297 ÷ 377 = -0.7877984084880637
-0.7877984084880637 x 100 = -78.78%