-9.49% is the change from 527 to 477
Calculation steps:
[( 477 - 527 ) ÷ 527] x 100 = -9.49%
Formula
Percentage change = [(477 - 527) / 527] x 100
Subtract the new number by the original number
477 - 527 = -50
-50 ÷ 527 = -0.09487666034155598
-0.09487666034155598 x 100 = -9.49%