-34.78% is the change from 483 to 315
Calculation steps:
[( 315 - 483 ) ÷ 483] x 100 = -34.78%
Formula
Percentage change = [(315 - 483) / 483] x 100
Subtract the new number by the original number
315 - 483 = -168
-168 ÷ 483 = -0.34782608695652173
-0.34782608695652173 x 100 = -34.78%