-2.86% is the change from 770 to 748
Calculation steps:
[( 748 - 770 ) ÷ 770] x 100 = -2.86%
Formula
Percentage change = [(748 - 770) / 770] x 100
Subtract the new number by the original number
748 - 770 = -22
-22 ÷ 770 = -0.02857142857142857
-0.02857142857142857 x 100 = -2.86%