-66.04% is the change from 53 to 18
Calculation steps:
[( 18 - 53 ) ÷ 53] x 100 = -66.04%
Formula
Percentage change = [(18 - 53) / 53] x 100
Subtract the new number by the original number
18 - 53 = -35
-35 ÷ 53 = -0.660377358490566
-0.660377358490566 x 100 = -66.04%