-83.3% is the change from 527 to 88
Calculation steps:
[( 88 - 527 ) ÷ 527] x 100 = -83.3%
Formula
Percentage change = [(88 - 527) / 527] x 100
Subtract the new number by the original number
88 - 527 = -439
-439 ÷ 527 = -0.8330170777988615
-0.8330170777988615 x 100 = -83.3%