-36.68% is the change from 349 to 221
Calculation steps:
[( 221 - 349 ) ÷ 349] x 100 = -36.68%
Formula
Percentage change = [(221 - 349) / 349] x 100
Subtract the new number by the original number
221 - 349 = -128
-128 ÷ 349 = -0.3667621776504298
-0.3667621776504298 x 100 = -36.68%