-25.24% is the change from 523 to 391
Calculation steps:
[( 391 - 523 ) ÷ 523] x 100 = -25.24%
Formula
Percentage change = [(391 - 523) / 523] x 100
Subtract the new number by the original number
391 - 523 = -132
-132 ÷ 523 = -0.25239005736137665
-0.25239005736137665 x 100 = -25.24%