-17.16% is the change from 373 to 309
Calculation steps:
[( 309 - 373 ) ÷ 373] x 100 = -17.16%
Formula
Percentage change = [(309 - 373) / 373] x 100
Subtract the new number by the original number
309 - 373 = -64
-64 ÷ 373 = -0.17158176943699732
-0.17158176943699732 x 100 = -17.16%