-83.08% is the change from 526 to 89
Calculation steps:
[( 89 - 526 ) ÷ 526] x 100 = -83.08%
Formula
Percentage change = [(89 - 526) / 526] x 100
Subtract the new number by the original number
89 - 526 = -437
-437 ÷ 526 = -0.8307984790874525
-0.8307984790874525 x 100 = -83.08%