-90.77% is the change from 325 to 30
Calculation steps:
[( 30 - 325 ) ÷ 325] x 100 = -90.77%
Formula
Percentage change = [(30 - 325) / 325] x 100
Subtract the new number by the original number
30 - 325 = -295
-295 ÷ 325 = -0.9076923076923077
-0.9076923076923077 x 100 = -90.77%