-82.38% is the change from 505 to 89
Calculation steps:
[( 89 - 505 ) ÷ 505] x 100 = -82.38%
Formula
Percentage change = [(89 - 505) / 505] x 100
Subtract the new number by the original number
89 - 505 = -416
-416 ÷ 505 = -0.8237623762376237
-0.8237623762376237 x 100 = -82.38%