-28.72% is the change from 484 to 345
Calculation steps:
[( 345 - 484 ) ÷ 484] x 100 = -28.72%
Formula
Percentage change = [(345 - 484) / 484] x 100
Subtract the new number by the original number
345 - 484 = -139
-139 ÷ 484 = -0.2871900826446281
-0.2871900826446281 x 100 = -28.72%