-4.21% is the change from 404 to 387
Calculation steps:
[( 387 - 404 ) ÷ 404] x 100 = -4.21%
Formula
Percentage change = [(387 - 404) / 404] x 100
Subtract the new number by the original number
387 - 404 = -17
-17 ÷ 404 = -0.04207920792079208
-0.04207920792079208 x 100 = -4.21%