-27.34% is the change from 768 to 558
Calculation steps:
[( 558 - 768 ) ÷ 768] x 100 = -27.34%
Formula
Percentage change = [(558 - 768) / 768] x 100
Subtract the new number by the original number
558 - 768 = -210
-210 ÷ 768 = -0.2734375
-0.2734375 x 100 = -27.34%