-39.05% is the change from 799 to 487
Calculation steps:
[( 487 - 799 ) ÷ 799] x 100 = -39.05%
Formula
Percentage change = [(487 - 799) / 799] x 100
Subtract the new number by the original number
487 - 799 = -312
-312 ÷ 799 = -0.3904881101376721
-0.3904881101376721 x 100 = -39.05%