-93.21% is the change from 899 to 61
Calculation steps:
[( 61 - 899 ) ÷ 899] x 100 = -93.21%
Formula
Percentage change = [(61 - 899) / 899] x 100
Subtract the new number by the original number
61 - 899 = -838
-838 ÷ 899 = -0.932146829810901
-0.932146829810901 x 100 = -93.21%