-3.51% is the change from 313 to 302
Calculation steps:
[( 302 - 313 ) ÷ 313] x 100 = -3.51%
Formula
Percentage change = [(302 - 313) / 313] x 100
Subtract the new number by the original number
302 - 313 = -11
-11 ÷ 313 = -0.03514376996805112
-0.03514376996805112 x 100 = -3.51%