-4.52% is the change from 840 to 802
Calculation steps:
[( 802 - 840 ) ÷ 840] x 100 = -4.52%
Formula
Percentage change = [(802 - 840) / 840] x 100
Subtract the new number by the original number
802 - 840 = -38
-38 ÷ 840 = -0.04523809523809524
-0.04523809523809524 x 100 = -4.52%