-57.43% is the change from 491 to 209
Calculation steps:
[( 209 - 491 ) ÷ 491] x 100 = -57.43%
Formula
Percentage change = [(209 - 491) / 491] x 100
Subtract the new number by the original number
209 - 491 = -282
-282 ÷ 491 = -0.5743380855397149
-0.5743380855397149 x 100 = -57.43%