-90.98% is the change from 399 to 36
Calculation steps:
[( 36 - 399 ) ÷ 399] x 100 = -90.98%
Formula
Percentage change = [(36 - 399) / 399] x 100
Subtract the new number by the original number
36 - 399 = -363
-363 ÷ 399 = -0.9097744360902256
-0.9097744360902256 x 100 = -90.98%