-17.65% is the change from 527 to 434
Calculation steps:
[( 434 - 527 ) ÷ 527] x 100 = -17.65%
Formula
Percentage change = [(434 - 527) / 527] x 100
Subtract the new number by the original number
434 - 527 = -93
-93 ÷ 527 = -0.17647058823529413
-0.17647058823529413 x 100 = -17.65%