-31.71% is the change from 82 to 56
Calculation steps:
[( 56 - 82 ) ÷ 82] x 100 = -31.71%
Formula
Percentage change = [(56 - 82) / 82] x 100
Subtract the new number by the original number
56 - 82 = -26
-26 ÷ 82 = -0.3170731707317073
-0.3170731707317073 x 100 = -31.71%