-34.77% is the change from 768 to 501
Calculation steps:
[( 501 - 768 ) ÷ 768] x 100 = -34.77%
Formula
Percentage change = [(501 - 768) / 768] x 100
Subtract the new number by the original number
501 - 768 = -267
-267 ÷ 768 = -0.34765625
-0.34765625 x 100 = -34.77%