-12.03% is the change from 349 to 307
Calculation steps:
[( 307 - 349 ) ÷ 349] x 100 = -12.03%
Formula
Percentage change = [(307 - 349) / 349] x 100
Subtract the new number by the original number
307 - 349 = -42
-42 ÷ 349 = -0.12034383954154727
-0.12034383954154727 x 100 = -12.03%