-91.68% is the change from 817 to 68
Calculation steps:
[( 68 - 817 ) ÷ 817] x 100 = -91.68%
Formula
Percentage change = [(68 - 817) / 817] x 100
Subtract the new number by the original number
68 - 817 = -749
-749 ÷ 817 = -0.9167686658506732
-0.9167686658506732 x 100 = -91.68%