-49.41% is the change from 676 to 342
Calculation steps:
[( 342 - 676 ) ÷ 676] x 100 = -49.41%
Formula
Percentage change = [(342 - 676) / 676] x 100
Subtract the new number by the original number
342 - 676 = -334
-334 ÷ 676 = -0.4940828402366864
-0.4940828402366864 x 100 = -49.41%