-73.14% is the change from 633 to 170
Calculation steps:
[( 170 - 633 ) ÷ 633] x 100 = -73.14%
Formula
Percentage change = [(170 - 633) / 633] x 100
Subtract the new number by the original number
170 - 633 = -463
-463 ÷ 633 = -0.731437598736177
-0.731437598736177 x 100 = -73.14%