-19.93% is the change from 587 to 470
Calculation steps:
[( 470 - 587 ) ÷ 587] x 100 = -19.93%
Formula
Percentage change = [(470 - 587) / 587] x 100
Subtract the new number by the original number
470 - 587 = -117
-117 ÷ 587 = -0.19931856899488926
-0.19931856899488926 x 100 = -19.93%