-90.41% is the change from 678 to 65
Calculation steps:
[( 65 - 678 ) ÷ 678] x 100 = -90.41%
Formula
Percentage change = [(65 - 678) / 678] x 100
Subtract the new number by the original number
65 - 678 = -613
-613 ÷ 678 = -0.9041297935103245
-0.9041297935103245 x 100 = -90.41%