-11.95% is the change from 678 to 597
Calculation steps:
[( 597 - 678 ) ÷ 678] x 100 = -11.95%
Formula
Percentage change = [(597 - 678) / 678] x 100
Subtract the new number by the original number
597 - 678 = -81
-81 ÷ 678 = -0.11946902654867257
-0.11946902654867257 x 100 = -11.95%