-19.01% is the change from 426 to 345
Calculation steps:
[( 345 - 426 ) ÷ 426] x 100 = -19.01%
Formula
Percentage change = [(345 - 426) / 426] x 100
Subtract the new number by the original number
345 - 426 = -81
-81 ÷ 426 = -0.19014084507042253
-0.19014084507042253 x 100 = -19.01%