-82.41% is the change from 506 to 89
Calculation steps:
[( 89 - 506 ) ÷ 506] x 100 = -82.41%
Formula
Percentage change = [(89 - 506) / 506] x 100
Subtract the new number by the original number
89 - 506 = -417
-417 ÷ 506 = -0.8241106719367589
-0.8241106719367589 x 100 = -82.41%