-95.8% is the change from 810 to 34
Calculation steps:
[( 34 - 810 ) ÷ 810] x 100 = -95.8%
Formula
Percentage change = [(34 - 810) / 810] x 100
Subtract the new number by the original number
34 - 810 = -776
-776 ÷ 810 = -0.9580246913580247
-0.9580246913580247 x 100 = -95.8%