-77.19% is the change from 377 to 86
Calculation steps:
[( 86 - 377 ) ÷ 377] x 100 = -77.19%
Formula
Percentage change = [(86 - 377) / 377] x 100
Subtract the new number by the original number
86 - 377 = -291
-291 ÷ 377 = -0.7718832891246684
-0.7718832891246684 x 100 = -77.19%