-61.72% is the change from 546 to 209
Calculation steps:
[( 209 - 546 ) ÷ 546] x 100 = -61.72%
Formula
Percentage change = [(209 - 546) / 546] x 100
Subtract the new number by the original number
209 - 546 = -337
-337 ÷ 546 = -0.6172161172161172
-0.6172161172161172 x 100 = -61.72%