-30.38% is the change from 902 to 628
Calculation steps:
[( 628 - 902 ) ÷ 902] x 100 = -30.38%
Formula
Percentage change = [(628 - 902) / 902] x 100
Subtract the new number by the original number
628 - 902 = -274
-274 ÷ 902 = -0.30376940133037694
-0.30376940133037694 x 100 = -30.38%