-77.16% is the change from 810 to 185
Calculation steps:
[( 185 - 810 ) ÷ 810] x 100 = -77.16%
Formula
Percentage change = [(185 - 810) / 810] x 100
Subtract the new number by the original number
185 - 810 = -625
-625 ÷ 810 = -0.7716049382716049
-0.7716049382716049 x 100 = -77.16%