-7.78% is the change from 527 to 486
Calculation steps:
[( 486 - 527 ) ÷ 527] x 100 = -7.78%
Formula
Percentage change = [(486 - 527) / 527] x 100
Subtract the new number by the original number
486 - 527 = -41
-41 ÷ 527 = -0.0777988614800759
-0.0777988614800759 x 100 = -7.78%