-53.04% is the change from 115 to 54
Calculation steps:
[( 54 - 115 ) ÷ 115] x 100 = -53.04%
Formula
Percentage change = [(54 - 115) / 115] x 100
Subtract the new number by the original number
54 - 115 = -61
-61 ÷ 115 = -0.5304347826086957
-0.5304347826086957 x 100 = -53.04%