-47.63% is the change from 802 to 420
Calculation steps:
[( 420 - 802 ) ÷ 802] x 100 = -47.63%
Formula
Percentage change = [(420 - 802) / 802] x 100
Subtract the new number by the original number
420 - 802 = -382
-382 ÷ 802 = -0.4763092269326683
-0.4763092269326683 x 100 = -47.63%