-69.23% is the change from 325 to 100
Calculation steps:
[( 100 - 325 ) ÷ 325] x 100 = -69.23%
Formula
Percentage change = [(100 - 325) / 325] x 100
Subtract the new number by the original number
100 - 325 = -225
-225 ÷ 325 = -0.6923076923076923
-0.6923076923076923 x 100 = -69.23%