-27.28% is the change from 766 to 557
Calculation steps:
[( 557 - 766 ) ÷ 766] x 100 = -27.28%
Formula
Percentage change = [(557 - 766) / 766] x 100
Subtract the new number by the original number
557 - 766 = -209
-209 ÷ 766 = -0.27284595300261094
-0.27284595300261094 x 100 = -27.28%