-68.5% is the change from 546 to 172
Calculation steps:
[( 172 - 546 ) ÷ 546] x 100 = -68.5%
Formula
Percentage change = [(172 - 546) / 546] x 100
Subtract the new number by the original number
172 - 546 = -374
-374 ÷ 546 = -0.684981684981685
-0.684981684981685 x 100 = -68.5%