-97.63% is the change from 802 to 19
Calculation steps:
[( 19 - 802 ) ÷ 802] x 100 = -97.63%
Formula
Percentage change = [(19 - 802) / 802] x 100
Subtract the new number by the original number
19 - 802 = -783
-783 ÷ 802 = -0.9763092269326683
-0.9763092269326683 x 100 = -97.63%