-69.34% is the change from 561 to 172
Calculation steps:
[( 172 - 561 ) ÷ 561] x 100 = -69.34%
Formula
Percentage change = [(172 - 561) / 561] x 100
Subtract the new number by the original number
172 - 561 = -389
-389 ÷ 561 = -0.6934046345811051
-0.6934046345811051 x 100 = -69.34%