-63.13% is the change from 320 to 118
Calculation steps:
[( 118 - 320 ) ÷ 320] x 100 = -63.13%
Formula
Percentage change = [(118 - 320) / 320] x 100
Subtract the new number by the original number
118 - 320 = -202
-202 ÷ 320 = -0.63125
-0.63125 x 100 = -63.13%