-86.79% is the change from 386 to 51
Calculation steps:
[( 51 - 386 ) ÷ 386] x 100 = -86.79%
Formula
Percentage change = [(51 - 386) / 386] x 100
Subtract the new number by the original number
51 - 386 = -335
-335 ÷ 386 = -0.8678756476683938
-0.8678756476683938 x 100 = -86.79%