-52.14% is the change from 491 to 235
Calculation steps:
[( 235 - 491 ) ÷ 491] x 100 = -52.14%
Formula
Percentage change = [(235 - 491) / 491] x 100
Subtract the new number by the original number
235 - 491 = -256
-256 ÷ 491 = -0.5213849287169042
-0.5213849287169042 x 100 = -52.14%