-42.3% is the change from 844 to 487
Calculation steps:
[( 487 - 844 ) ÷ 844] x 100 = -42.3%
Formula
Percentage change = [(487 - 844) / 844] x 100
Subtract the new number by the original number
487 - 844 = -357
-357 ÷ 844 = -0.42298578199052134
-0.42298578199052134 x 100 = -42.3%