-25.95% is the change from 343 to 254
Calculation steps:
[( 254 - 343 ) ÷ 343] x 100 = -25.95%
Formula
Percentage change = [(254 - 343) / 343] x 100
Subtract the new number by the original number
254 - 343 = -89
-89 ÷ 343 = -0.2594752186588921
-0.2594752186588921 x 100 = -25.95%