-71.08% is the change from 83 to 24
Calculation steps:
[( 24 - 83 ) ÷ 83] x 100 = -71.08%
Formula
Percentage change = [(24 - 83) / 83] x 100
Subtract the new number by the original number
24 - 83 = -59
-59 ÷ 83 = -0.7108433734939759
-0.7108433734939759 x 100 = -71.08%