-19.28% is the change from 83 to 67
Calculation steps:
[( 67 - 83 ) ÷ 83] x 100 = -19.28%
Formula
Percentage change = [(67 - 83) / 83] x 100
Subtract the new number by the original number
67 - 83 = -16
-16 ÷ 83 = -0.1927710843373494
-0.1927710843373494 x 100 = -19.28%