-97.58% is the change from 537 to 13
Calculation steps:
[( 13 - 537 ) ÷ 537] x 100 = -97.58%
Formula
Percentage change = [(13 - 537) / 537] x 100
Subtract the new number by the original number
13 - 537 = -524
-524 ÷ 537 = -0.9757914338919925
-0.9757914338919925 x 100 = -97.58%