-16.89% is the change from 527 to 438
Calculation steps:
[( 438 - 527 ) ÷ 527] x 100 = -16.89%
Formula
Percentage change = [(438 - 527) / 527] x 100
Subtract the new number by the original number
438 - 527 = -89
-89 ÷ 527 = -0.16888045540796964
-0.16888045540796964 x 100 = -16.89%