-73.17% is the change from 902 to 242
Calculation steps:
[( 242 - 902 ) ÷ 902] x 100 = -73.17%
Formula
Percentage change = [(242 - 902) / 902] x 100
Subtract the new number by the original number
242 - 902 = -660
-660 ÷ 902 = -0.7317073170731707
-0.7317073170731707 x 100 = -73.17%