-86.74% is the change from 377 to 50
Calculation steps:
[( 50 - 377 ) ÷ 377] x 100 = -86.74%
Formula
Percentage change = [(50 - 377) / 377] x 100
Subtract the new number by the original number
50 - 377 = -327
-327 ÷ 377 = -0.8673740053050398
-0.8673740053050398 x 100 = -86.74%