-98.51% is the change from 67 to 1
Calculation steps:
[( 1 - 67 ) ÷ 67] x 100 = -98.51%
Formula
Percentage change = [(1 - 67) / 67] x 100
Subtract the new number by the original number
1 - 67 = -66
-66 ÷ 67 = -0.9850746268656716
-0.9850746268656716 x 100 = -98.51%