-93.75% is the change from 304 to 19
Calculation steps:
[( 19 - 304 ) ÷ 304] x 100 = -93.75%
Formula
Percentage change = [(19 - 304) / 304] x 100
Subtract the new number by the original number
19 - 304 = -285
-285 ÷ 304 = -0.9375
-0.9375 x 100 = -93.75%