-68.52% is the change from 54 to 17
Calculation steps:
[( 17 - 54 ) ÷ 54] x 100 = -68.52%
Formula
Percentage change = [(17 - 54) / 54] x 100
Subtract the new number by the original number
17 - 54 = -37
-37 ÷ 54 = -0.6851851851851852
-0.6851851851851852 x 100 = -68.52%