-84.87% is the change from 595 to 90
Calculation steps:
[( 90 - 595 ) ÷ 595] x 100 = -84.87%
Formula
Percentage change = [(90 - 595) / 595] x 100
Subtract the new number by the original number
90 - 595 = -505
-505 ÷ 595 = -0.8487394957983193
-0.8487394957983193 x 100 = -84.87%