-57.08% is the change from 678 to 291
Calculation steps:
[( 291 - 678 ) ÷ 678] x 100 = -57.08%
Formula
Percentage change = [(291 - 678) / 678] x 100
Subtract the new number by the original number
291 - 678 = -387
-387 ÷ 678 = -0.5707964601769911
-0.5707964601769911 x 100 = -57.08%