-0.99% is the change from 304 to 301
Calculation steps:
[( 301 - 304 ) ÷ 304] x 100 = -0.99%
Formula
Percentage change = [(301 - 304) / 304] x 100
Subtract the new number by the original number
301 - 304 = -3
-3 ÷ 304 = -0.009868421052631578
-0.009868421052631578 x 100 = -0.99%
Example