-69.14% is the change from 807 to 249
Calculation steps:
[( 249 - 807 ) ÷ 807] x 100 = -69.14%
Formula
Percentage change = [(249 - 807) / 807] x 100
Subtract the new number by the original number
249 - 807 = -558
-558 ÷ 807 = -0.6914498141263941
-0.6914498141263941 x 100 = -69.14%