-1.56% is the change from 770 to 758
Calculation steps:
[( 758 - 770 ) ÷ 770] x 100 = -1.56%
Formula
Percentage change = [(758 - 770) / 770] x 100
Subtract the new number by the original number
758 - 770 = -12
-12 ÷ 770 = -0.015584415584415584
-0.015584415584415584 x 100 = -1.56%