-34.42% is the change from 491 to 322
Calculation steps:
[( 322 - 491 ) ÷ 491] x 100 = -34.42%
Formula
Percentage change = [(322 - 491) / 491] x 100
Subtract the new number by the original number
322 - 491 = -169
-169 ÷ 491 = -0.34419551934826886
-0.34419551934826886 x 100 = -34.42%