-9.7% is the change from 526 to 475
Calculation steps:
[( 475 - 526 ) ÷ 526] x 100 = -9.7%
Formula
Percentage change = [(475 - 526) / 526] x 100
Subtract the new number by the original number
475 - 526 = -51
-51 ÷ 526 = -0.09695817490494296
-0.09695817490494296 x 100 = -9.7%