-35.16% is the change from 768 to 498
Calculation steps:
[( 498 - 768 ) ÷ 768] x 100 = -35.16%
Formula
Percentage change = [(498 - 768) / 768] x 100
Subtract the new number by the original number
498 - 768 = -270
-270 ÷ 768 = -0.3515625
-0.3515625 x 100 = -35.16%