-93.58% is the change from 810 to 52
Calculation steps:
[( 52 - 810 ) ÷ 810] x 100 = -93.58%
Formula
Percentage change = [(52 - 810) / 810] x 100
Subtract the new number by the original number
52 - 810 = -758
-758 ÷ 810 = -0.9358024691358025
-0.9358024691358025 x 100 = -93.58%