-73.82% is the change from 657 to 172
Calculation steps:
[( 172 - 657 ) ÷ 657] x 100 = -73.82%
Formula
Percentage change = [(172 - 657) / 657] x 100
Subtract the new number by the original number
172 - 657 = -485
-485 ÷ 657 = -0.7382039573820396
-0.7382039573820396 x 100 = -73.82%