-87.83% is the change from 526 to 64
Calculation steps:
[( 64 - 526 ) ÷ 526] x 100 = -87.83%
Formula
Percentage change = [(64 - 526) / 526] x 100
Subtract the new number by the original number
64 - 526 = -462
-462 ÷ 526 = -0.8783269961977186
-0.8783269961977186 x 100 = -87.83%