-22.74% is the change from 343 to 265
Calculation steps:
[( 265 - 343 ) ÷ 343] x 100 = -22.74%
Formula
Percentage change = [(265 - 343) / 343] x 100
Subtract the new number by the original number
265 - 343 = -78
-78 ÷ 343 = -0.22740524781341107
-0.22740524781341107 x 100 = -22.74%