-12.14% is the change from 313 to 275
Calculation steps:
[( 275 - 313 ) ÷ 313] x 100 = -12.14%
Formula
Percentage change = [(275 - 313) / 313] x 100
Subtract the new number by the original number
275 - 313 = -38
-38 ÷ 313 = -0.12140575079872204
-0.12140575079872204 x 100 = -12.14%