-1.71% is the change from 526 to 517
Calculation steps:
[( 517 - 526 ) ÷ 526] x 100 = -1.71%
Formula
Percentage change = [(517 - 526) / 526] x 100
Subtract the new number by the original number
517 - 526 = -9
-9 ÷ 526 = -0.017110266159695818
-0.017110266159695818 x 100 = -1.71%