-91.64% is the change from 813 to 68
Calculation steps:
[( 68 - 813 ) ÷ 813] x 100 = -91.64%
Formula
Percentage change = [(68 - 813) / 813] x 100
Subtract the new number by the original number
68 - 813 = -745
-745 ÷ 813 = -0.9163591635916359
-0.9163591635916359 x 100 = -91.64%