-23.56% is the change from 348 to 266
Calculation steps:
[( 266 - 348 ) ÷ 348] x 100 = -23.56%
Formula
Percentage change = [(266 - 348) / 348] x 100
Subtract the new number by the original number
266 - 348 = -82
-82 ÷ 348 = -0.23563218390804597
-0.23563218390804597 x 100 = -23.56%