-64.36% is the change from 491 to 175
Calculation steps:
[( 175 - 491 ) ÷ 491] x 100 = -64.36%
Formula
Percentage change = [(175 - 491) / 491] x 100
Subtract the new number by the original number
175 - 491 = -316
-316 ÷ 491 = -0.6435845213849287
-0.6435845213849287 x 100 = -64.36%