-66.36% is the change from 963 to 324
Calculation steps:
[( 324 - 963 ) ÷ 963] x 100 = -66.36%
Formula
Percentage change = [(324 - 963) / 963] x 100
Subtract the new number by the original number
324 - 963 = -639
-639 ÷ 963 = -0.6635514018691588
-0.6635514018691588 x 100 = -66.36%