-1.92% is the change from 313 to 307
Calculation steps:
[( 307 - 313 ) ÷ 313] x 100 = -1.92%
Formula
Percentage change = [(307 - 313) / 313] x 100
Subtract the new number by the original number
307 - 313 = -6
-6 ÷ 313 = -0.019169329073482427
-0.019169329073482427 x 100 = -1.92%