-49.38% is the change from 802 to 406
Calculation steps:
[( 406 - 802 ) ÷ 802] x 100 = -49.38%
Formula
Percentage change = [(406 - 802) / 802] x 100
Subtract the new number by the original number
406 - 802 = -396
-396 ÷ 802 = -0.4937655860349127
-0.4937655860349127 x 100 = -49.38%