-47.93% is the change from 482 to 251
Calculation steps:
[( 251 - 482 ) ÷ 482] x 100 = -47.93%
Formula
Percentage change = [(251 - 482) / 482] x 100
Subtract the new number by the original number
251 - 482 = -231
-231 ÷ 482 = -0.47925311203319504
-0.47925311203319504 x 100 = -47.93%