-97.57% is the change from 536 to 13
Calculation steps:
[( 13 - 536 ) ÷ 536] x 100 = -97.57%
Formula
Percentage change = [(13 - 536) / 536] x 100
Subtract the new number by the original number
13 - 536 = -523
-523 ÷ 536 = -0.9757462686567164
-0.9757462686567164 x 100 = -97.57%