-76% is the change from 325 to 78
Calculation steps:
[( 78 - 325 ) ÷ 325] x 100 = -76%
Formula
Percentage change = [(78 - 325) / 325] x 100
Subtract the new number by the original number
78 - 325 = -247
-247 ÷ 325 = -0.76
-0.76 x 100 = -76%
Example