-78.52% is the change from 810 to 174
Calculation steps:
[( 174 - 810 ) ÷ 810] x 100 = -78.52%
Formula
Percentage change = [(174 - 810) / 810] x 100
Subtract the new number by the original number
174 - 810 = -636
-636 ÷ 810 = -0.7851851851851852
-0.7851851851851852 x 100 = -78.52%