1100% is the change from 75 to 900
Calculation steps:
[( 900 - 75 ) ÷ 75] x 100 = 1100%
Formula
Percentage change = [(900 - 75) / 75] x 100
Subtract the new number by the original number
900 - 75 = 825
825 ÷ 75 = 11
11 x 100 = 1100%
Example