-16.78% is the change from 900 to 749
Calculation steps:
[( 749 - 900 ) ÷ 900] x 100 = -16.78%
Formula
Percentage change = [(749 - 900) / 900] x 100
Subtract the new number by the original number
749 - 900 = -151
-151 ÷ 900 = -0.16777777777777778
-0.16777777777777778 x 100 = -16.78%