-84.26% is the change from 591 to 93
Calculation steps:
[( 93 - 591 ) ÷ 591] x 100 = -84.26%
Formula
Percentage change = [(93 - 591) / 591] x 100
Subtract the new number by the original number
93 - 591 = -498
-498 ÷ 591 = -0.8426395939086294
-0.8426395939086294 x 100 = -84.26%