-84.92% is the change from 590 to 89
Calculation steps:
[( 89 - 590 ) ÷ 590] x 100 = -84.92%
Formula
Percentage change = [(89 - 590) / 590] x 100
Subtract the new number by the original number
89 - 590 = -501
-501 ÷ 590 = -0.8491525423728814
-0.8491525423728814 x 100 = -84.92%