-21.24% is the change from 386 to 304
Calculation steps:
[( 304 - 386 ) ÷ 386] x 100 = -21.24%
Formula
Percentage change = [(304 - 386) / 386] x 100
Subtract the new number by the original number
304 - 386 = -82
-82 ÷ 386 = -0.21243523316062177
-0.21243523316062177 x 100 = -21.24%