-76.47% is the change from 323 to 76
Calculation steps:
[( 76 - 323 ) ÷ 323] x 100 = -76.47%
Formula
Percentage change = [(76 - 323) / 323] x 100
Subtract the new number by the original number
76 - 323 = -247
-247 ÷ 323 = -0.7647058823529411
-0.7647058823529411 x 100 = -76.47%