-60.25% is the change from 810 to 322
Calculation steps:
[( 322 - 810 ) ÷ 810] x 100 = -60.25%
Formula
Percentage change = [(322 - 810) / 810] x 100
Subtract the new number by the original number
322 - 810 = -488
-488 ÷ 810 = -0.6024691358024692
-0.6024691358024692 x 100 = -60.25%