-85.07% is the change from 67 to 10
Calculation steps:
[( 10 - 67 ) ÷ 67] x 100 = -85.07%
Formula
Percentage change = [(10 - 67) / 67] x 100
Subtract the new number by the original number
10 - 67 = -57
-57 ÷ 67 = -0.8507462686567164
-0.8507462686567164 x 100 = -85.07%