-2.32% is the change from 345 to 337
Calculation steps:
[( 337 - 345 ) ÷ 345] x 100 = -2.32%
Formula
Percentage change = [(337 - 345) / 345] x 100
Subtract the new number by the original number
337 - 345 = -8
-8 ÷ 345 = -0.02318840579710145
-0.02318840579710145 x 100 = -2.32%