-81.09% is the change from 238 to 45
Calculation steps:
[( 45 - 238 ) ÷ 238] x 100 = -81.09%
Formula
Percentage change = [(45 - 238) / 238] x 100
Subtract the new number by the original number
45 - 238 = -193
-193 ÷ 238 = -0.8109243697478992
-0.8109243697478992 x 100 = -81.09%