-73.32% is the change from 611 to 163
Calculation steps:
[( 163 - 611 ) ÷ 611] x 100 = -73.32%
Formula
Percentage change = [(163 - 611) / 611] x 100
Subtract the new number by the original number
163 - 611 = -448
-448 ÷ 611 = -0.7332242225859247
-0.7332242225859247 x 100 = -73.32%