-23.78% is the change from 349 to 266
Calculation steps:
[( 266 - 349 ) ÷ 349] x 100 = -23.78%
Formula
Percentage change = [(266 - 349) / 349] x 100
Subtract the new number by the original number
266 - 349 = -83
-83 ÷ 349 = -0.23782234957020057
-0.23782234957020057 x 100 = -23.78%