-29.12% is the change from 340 to 241
Calculation steps:
[( 241 - 340 ) ÷ 340] x 100 = -29.12%
Formula
Percentage change = [(241 - 340) / 340] x 100
Subtract the new number by the original number
241 - 340 = -99
-99 ÷ 340 = -0.2911764705882353
-0.2911764705882353 x 100 = -29.12%