-71.62% is the change from 606 to 172
Calculation steps:
[( 172 - 606 ) ÷ 606] x 100 = -71.62%
Formula
Percentage change = [(172 - 606) / 606] x 100
Subtract the new number by the original number
172 - 606 = -434
-434 ÷ 606 = -0.7161716171617162
-0.7161716171617162 x 100 = -71.62%