-64.15% is the change from 491 to 176
Calculation steps:
[( 176 - 491 ) ÷ 491] x 100 = -64.15%
Formula
Percentage change = [(176 - 491) / 491] x 100
Subtract the new number by the original number
176 - 491 = -315
-315 ÷ 491 = -0.6415478615071283
-0.6415478615071283 x 100 = -64.15%