-15.2% is the change from 592 to 502
Calculation steps:
[( 502 - 592 ) ÷ 592] x 100 = -15.2%
Formula
Percentage change = [(502 - 592) / 592] x 100
Subtract the new number by the original number
502 - 592 = -90
-90 ÷ 592 = -0.15202702702702703
-0.15202702702702703 x 100 = -15.2%