-64.67% is the change from 501 to 177
Calculation steps:
[( 177 - 501 ) ÷ 501] x 100 = -64.67%
Formula
Percentage change = [(177 - 501) / 501] x 100
Subtract the new number by the original number
177 - 501 = -324
-324 ÷ 501 = -0.6467065868263473
-0.6467065868263473 x 100 = -64.67%