-69.59% is the change from 171 to 52
Calculation steps:
[( 52 - 171 ) ÷ 171] x 100 = -69.59%
Formula
Percentage change = [(52 - 171) / 171] x 100
Subtract the new number by the original number
52 - 171 = -119
-119 ÷ 171 = -0.695906432748538
-0.695906432748538 x 100 = -69.59%