-82.61% is the change from 69 to 12
Calculation steps:
[( 12 - 69 ) ÷ 69] x 100 = -82.61%
Formula
Percentage change = [(12 - 69) / 69] x 100
Subtract the new number by the original number
12 - 69 = -57
-57 ÷ 69 = -0.8260869565217391
-0.8260869565217391 x 100 = -82.61%