-91.18% is the change from 816 to 72
Calculation steps:
[( 72 - 816 ) ÷ 816] x 100 = -91.18%
Formula
Percentage change = [(72 - 816) / 816] x 100
Subtract the new number by the original number
72 - 816 = -744
-744 ÷ 816 = -0.9117647058823529
-0.9117647058823529 x 100 = -91.18%