-13.39% is the change from 590 to 511
Calculation steps:
[( 511 - 590 ) ÷ 590] x 100 = -13.39%
Formula
Percentage change = [(511 - 590) / 590] x 100
Subtract the new number by the original number
511 - 590 = -79
-79 ÷ 590 = -0.13389830508474576
-0.13389830508474576 x 100 = -13.39%