-98.59% is the change from 924 to 13
Calculation steps:
[( 13 - 924 ) ÷ 924] x 100 = -98.59%
Formula
Percentage change = [(13 - 924) / 924] x 100
Subtract the new number by the original number
13 - 924 = -911
-911 ÷ 924 = -0.9859307359307359
-0.9859307359307359 x 100 = -98.59%