-2.96% is the change from 778 to 755
Calculation steps:
[( 755 - 778 ) ÷ 778] x 100 = -2.96%
Formula
Percentage change = [(755 - 778) / 778] x 100
Subtract the new number by the original number
755 - 778 = -23
-23 ÷ 778 = -0.02956298200514139
-0.02956298200514139 x 100 = -2.96%