-76.05% is the change from 810 to 194
Calculation steps:
[( 194 - 810 ) ÷ 810] x 100 = -76.05%
Formula
Percentage change = [(194 - 810) / 810] x 100
Subtract the new number by the original number
194 - 810 = -616
-616 ÷ 810 = -0.7604938271604939
-0.7604938271604939 x 100 = -76.05%