-72.17% is the change from 902 to 251
Calculation steps:
[( 251 - 902 ) ÷ 902] x 100 = -72.17%
Formula
Percentage change = [(251 - 902) / 902] x 100
Subtract the new number by the original number
251 - 902 = -651
-651 ÷ 902 = -0.7217294900221729
-0.7217294900221729 x 100 = -72.17%