-15.74% is the change from 591 to 498
Calculation steps:
[( 498 - 591 ) ÷ 591] x 100 = -15.74%
Formula
Percentage change = [(498 - 591) / 591] x 100
Subtract the new number by the original number
498 - 591 = -93
-93 ÷ 591 = -0.15736040609137056
-0.15736040609137056 x 100 = -15.74%