-40.61% is the change from 921 to 547
Calculation steps:
[( 547 - 921 ) ÷ 921] x 100 = -40.61%
Formula
Percentage change = [(547 - 921) / 921] x 100
Subtract the new number by the original number
547 - 921 = -374
-374 ÷ 921 = -0.40608034744842564
-0.40608034744842564 x 100 = -40.61%