-23.03% is the change from 547 to 421
Calculation steps:
[( 421 - 547 ) ÷ 547] x 100 = -23.03%
Formula
Percentage change = [(421 - 547) / 547] x 100
Subtract the new number by the original number
421 - 547 = -126
-126 ÷ 547 = -0.2303473491773309
-0.2303473491773309 x 100 = -23.03%