-72.48% is the change from 327 to 90
Calculation steps:
[( 90 - 327 ) ÷ 327] x 100 = -72.48%
Formula
Percentage change = [(90 - 327) / 327] x 100
Subtract the new number by the original number
90 - 327 = -237
-237 ÷ 327 = -0.7247706422018348
-0.7247706422018348 x 100 = -72.48%