-63.54% is the change from 491 to 179
Calculation steps:
[( 179 - 491 ) ÷ 491] x 100 = -63.54%
Formula
Percentage change = [(179 - 491) / 491] x 100
Subtract the new number by the original number
179 - 491 = -312
-312 ÷ 491 = -0.6354378818737271
-0.6354378818737271 x 100 = -63.54%