-93.55% is the change from 527 to 34
Calculation steps:
[( 34 - 527 ) ÷ 527] x 100 = -93.55%
Formula
Percentage change = [(34 - 527) / 527] x 100
Subtract the new number by the original number
34 - 527 = -493
-493 ÷ 527 = -0.9354838709677419
-0.9354838709677419 x 100 = -93.55%