-19.71% is the change from 482 to 387
Calculation steps:
[( 387 - 482 ) ÷ 482] x 100 = -19.71%
Formula
Percentage change = [(387 - 482) / 482] x 100
Subtract the new number by the original number
387 - 482 = -95
-95 ÷ 482 = -0.1970954356846473
-0.1970954356846473 x 100 = -19.71%