-78.7% is the change from 324 to 69
Calculation steps:
[( 69 - 324 ) ÷ 324] x 100 = -78.7%
Formula
Percentage change = [(69 - 324) / 324] x 100
Subtract the new number by the original number
69 - 324 = -255
-255 ÷ 324 = -0.7870370370370371
-0.7870370370370371 x 100 = -78.7%