-29.34% is the change from 484 to 342
Calculation steps:
[( 342 - 484 ) ÷ 484] x 100 = -29.34%
Formula
Percentage change = [(342 - 484) / 484] x 100
Subtract the new number by the original number
342 - 484 = -142
-142 ÷ 484 = -0.29338842975206614
-0.29338842975206614 x 100 = -29.34%