-21.99% is the change from 341 to 266
Calculation steps:
[( 266 - 341 ) ÷ 341] x 100 = -21.99%
Formula
Percentage change = [(266 - 341) / 341] x 100
Subtract the new number by the original number
266 - 341 = -75
-75 ÷ 341 = -0.21994134897360704
-0.21994134897360704 x 100 = -21.99%