-73.78% is the change from 900 to 236
Calculation steps:
[( 236 - 900 ) ÷ 900] x 100 = -73.78%
Formula
Percentage change = [(236 - 900) / 900] x 100
Subtract the new number by the original number
236 - 900 = -664
-664 ÷ 900 = -0.7377777777777778
-0.7377777777777778 x 100 = -73.78%