-52.78% is the change from 108 to 51
Calculation steps:
[( 51 - 108 ) ÷ 108] x 100 = -52.78%
Formula
Percentage change = [(51 - 108) / 108] x 100
Subtract the new number by the original number
51 - 108 = -57
-57 ÷ 108 = -0.5277777777777778
-0.5277777777777778 x 100 = -52.78%