-0.66% is the change from 304 to 302
Calculation steps:
[( 302 - 304 ) ÷ 304] x 100 = -0.66%
Formula
Percentage change = [(302 - 304) / 304] x 100
Subtract the new number by the original number
302 - 304 = -2
-2 ÷ 304 = -0.006578947368421052
-0.006578947368421052 x 100 = -0.66%