-74.09% is the change from 386 to 100
Calculation steps:
[( 100 - 386 ) ÷ 386] x 100 = -74.09%
Formula
Percentage change = [(100 - 386) / 386] x 100
Subtract the new number by the original number
100 - 386 = -286
-286 ÷ 386 = -0.7409326424870466
-0.7409326424870466 x 100 = -74.09%