-16.18% is the change from 581 to 487
Calculation steps:
[( 487 - 581 ) ÷ 581] x 100 = -16.18%
Formula
Percentage change = [(487 - 581) / 581] x 100
Subtract the new number by the original number
487 - 581 = -94
-94 ÷ 581 = -0.16179001721170397
-0.16179001721170397 x 100 = -16.18%