-30.44% is the change from 496 to 345
Calculation steps:
[( 345 - 496 ) ÷ 496] x 100 = -30.44%
Formula
Percentage change = [(345 - 496) / 496] x 100
Subtract the new number by the original number
345 - 496 = -151
-151 ÷ 496 = -0.30443548387096775
-0.30443548387096775 x 100 = -30.44%