-75.58% is the change from 217 to 53
Calculation steps:
[( 53 - 217 ) ÷ 217] x 100 = -75.58%
Formula
Percentage change = [(53 - 217) / 217] x 100
Subtract the new number by the original number
53 - 217 = -164
-164 ÷ 217 = -0.7557603686635944
-0.7557603686635944 x 100 = -75.58%