-34.65% is the change from 482 to 315
Calculation steps:
[( 315 - 482 ) ÷ 482] x 100 = -34.65%
Formula
Percentage change = [(315 - 482) / 482] x 100
Subtract the new number by the original number
315 - 482 = -167
-167 ÷ 482 = -0.34647302904564314
-0.34647302904564314 x 100 = -34.65%