-15% is the change from 880 to 748
Calculation steps:
[( 748 - 880 ) ÷ 880] x 100 = -15%
Formula
Percentage change = [(748 - 880) / 880] x 100
Subtract the new number by the original number
748 - 880 = -132
-132 ÷ 880 = -0.15
-0.15 x 100 = -15%
Example