-11.39% is the change from 588 to 521
Calculation steps:
[( 521 - 588 ) ÷ 588] x 100 = -11.39%
Formula
Percentage change = [(521 - 588) / 588] x 100
Subtract the new number by the original number
521 - 588 = -67
-67 ÷ 588 = -0.11394557823129252
-0.11394557823129252 x 100 = -11.39%