-6.11% is the change from 491 to 461
Calculation steps:
[( 461 - 491 ) ÷ 491] x 100 = -6.11%
Formula
Percentage change = [(461 - 491) / 491] x 100
Subtract the new number by the original number
461 - 491 = -30
-30 ÷ 491 = -0.06109979633401222
-0.06109979633401222 x 100 = -6.11%