-34.3% is the change from 484 to 318
Calculation steps:
[( 318 - 484 ) ÷ 484] x 100 = -34.3%
Formula
Percentage change = [(318 - 484) / 484] x 100
Subtract the new number by the original number
318 - 484 = -166
-166 ÷ 484 = -0.34297520661157027
-0.34297520661157027 x 100 = -34.3%