-39.26% is the change from 349 to 212
Calculation steps:
[( 212 - 349 ) ÷ 349] x 100 = -39.26%
Formula
Percentage change = [(212 - 349) / 349] x 100
Subtract the new number by the original number
212 - 349 = -137
-137 ÷ 349 = -0.39255014326647564
-0.39255014326647564 x 100 = -39.26%