-22.27% is the change from 768 to 597
Calculation steps:
[( 597 - 768 ) ÷ 768] x 100 = -22.27%
Formula
Percentage change = [(597 - 768) / 768] x 100
Subtract the new number by the original number
597 - 768 = -171
-171 ÷ 768 = -0.22265625
-0.22265625 x 100 = -22.27%