-82.98% is the change from 523 to 89
Calculation steps:
[( 89 - 523 ) ÷ 523] x 100 = -82.98%
Formula
Percentage change = [(89 - 523) / 523] x 100
Subtract the new number by the original number
89 - 523 = -434
-434 ÷ 523 = -0.8298279158699808
-0.8298279158699808 x 100 = -82.98%