-92.53% is the change from 817 to 61
Calculation steps:
[( 61 - 817 ) ÷ 817] x 100 = -92.53%
Formula
Percentage change = [(61 - 817) / 817] x 100
Subtract the new number by the original number
61 - 817 = -756
-756 ÷ 817 = -0.9253365973072215
-0.9253365973072215 x 100 = -92.53%