-28.72% is the change from 491 to 350
Calculation steps:
[( 350 - 491 ) ÷ 491] x 100 = -28.72%
Formula
Percentage change = [(350 - 491) / 491] x 100
Subtract the new number by the original number
350 - 491 = -141
-141 ÷ 491 = -0.28716904276985744
-0.28716904276985744 x 100 = -28.72%