-72.31% is the change from 325 to 90
Calculation steps:
[( 90 - 325 ) ÷ 325] x 100 = -72.31%
Formula
Percentage change = [(90 - 325) / 325] x 100
Subtract the new number by the original number
90 - 325 = -235
-235 ÷ 325 = -0.7230769230769231
-0.7230769230769231 x 100 = -72.31%