-21.7% is the change from 802 to 628
Calculation steps:
[( 628 - 802 ) ÷ 802] x 100 = -21.7%
Formula
Percentage change = [(628 - 802) / 802] x 100
Subtract the new number by the original number
628 - 802 = -174
-174 ÷ 802 = -0.2169576059850374
-0.2169576059850374 x 100 = -21.7%