-5.92% is the change from 321 to 302
Calculation steps:
[( 302 - 321 ) ÷ 321] x 100 = -5.92%
Formula
Percentage change = [(302 - 321) / 321] x 100
Subtract the new number by the original number
302 - 321 = -19
-19 ÷ 321 = -0.059190031152647975
-0.059190031152647975 x 100 = -5.92%