-66.39% is the change from 238 to 80
Calculation steps:
[( 80 - 238 ) ÷ 238] x 100 = -66.39%
Formula
Percentage change = [(80 - 238) / 238] x 100
Subtract the new number by the original number
80 - 238 = -158
-158 ÷ 238 = -0.6638655462184874
-0.6638655462184874 x 100 = -66.39%