-65.13% is the change from 238 to 83
Calculation steps:
[( 83 - 238 ) ÷ 238] x 100 = -65.13%
Formula
Percentage change = [(83 - 238) / 238] x 100
Subtract the new number by the original number
83 - 238 = -155
-155 ÷ 238 = -0.6512605042016807
-0.6512605042016807 x 100 = -65.13%