-61.47% is the change from 802 to 309
Calculation steps:
[( 309 - 802 ) ÷ 802] x 100 = -61.47%
Formula
Percentage change = [(309 - 802) / 802] x 100
Subtract the new number by the original number
309 - 802 = -493
-493 ÷ 802 = -0.614713216957606
-0.614713216957606 x 100 = -61.47%