-29.94% is the change from 491 to 344
Calculation steps:
[( 344 - 491 ) ÷ 491] x 100 = -29.94%
Formula
Percentage change = [(344 - 491) / 491] x 100
Subtract the new number by the original number
344 - 491 = -147
-147 ÷ 491 = -0.29938900203665986
-0.29938900203665986 x 100 = -29.94%