-73.11% is the change from 238 to 64
Calculation steps:
[( 64 - 238 ) ÷ 238] x 100 = -73.11%
Formula
Percentage change = [(64 - 238) / 238] x 100
Subtract the new number by the original number
64 - 238 = -174
-174 ÷ 238 = -0.7310924369747899
-0.7310924369747899 x 100 = -73.11%