-80.33% is the change from 61 to 12
Calculation steps:
[( 12 - 61 ) ÷ 61] x 100 = -80.33%
Formula
Percentage change = [(12 - 61) / 61] x 100
Subtract the new number by the original number
12 - 61 = -49
-49 ÷ 61 = -0.8032786885245902
-0.8032786885245902 x 100 = -80.33%