-35.21% is the change from 426 to 276
Calculation steps:
[( 276 - 426 ) ÷ 426] x 100 = -35.21%
Formula
Percentage change = [(276 - 426) / 426] x 100
Subtract the new number by the original number
276 - 426 = -150
-150 ÷ 426 = -0.352112676056338
-0.352112676056338 x 100 = -35.21%