-91.11% is the change from 810 to 72
Calculation steps:
[( 72 - 810 ) ÷ 810] x 100 = -91.11%
Formula
Percentage change = [(72 - 810) / 810] x 100
Subtract the new number by the original number
72 - 810 = -738
-738 ÷ 810 = -0.9111111111111111
-0.9111111111111111 x 100 = -91.11%