-10.89% is the change from 900 to 802
Calculation steps:
[( 802 - 900 ) ÷ 900] x 100 = -10.89%
Formula
Percentage change = [(802 - 900) / 900] x 100
Subtract the new number by the original number
802 - 900 = -98
-98 ÷ 900 = -0.10888888888888888
-0.10888888888888888 x 100 = -10.89%