-27.92% is the change from 763 to 550
Calculation steps:
[( 550 - 763 ) ÷ 763] x 100 = -27.92%
Formula
Percentage change = [(550 - 763) / 763] x 100
Subtract the new number by the original number
550 - 763 = -213
-213 ÷ 763 = -0.27916120576671033
-0.27916120576671033 x 100 = -27.92%