-26% is the change from 750 to 555
Calculation steps:
[( 555 - 750 ) ÷ 750] x 100 = -26%
Formula
Percentage change = [(555 - 750) / 750] x 100
Subtract the new number by the original number
555 - 750 = -195
-195 ÷ 750 = -0.26
-0.26 x 100 = -26%
Example