-61.39% is the change from 808 to 312
Calculation steps:
[( 312 - 808 ) ÷ 808] x 100 = -61.39%
Formula
Percentage change = [(312 - 808) / 808] x 100
Subtract the new number by the original number
312 - 808 = -496
-496 ÷ 808 = -0.6138613861386139
-0.6138613861386139 x 100 = -61.39%