-12.42% is the change from 491 to 430
Calculation steps:
[( 430 - 491 ) ÷ 491] x 100 = -12.42%
Formula
Percentage change = [(430 - 491) / 491] x 100
Subtract the new number by the original number
430 - 491 = -61
-61 ÷ 491 = -0.12423625254582485
-0.12423625254582485 x 100 = -12.42%