-40.72% is the change from 921 to 546
Calculation steps:
[( 546 - 921 ) ÷ 921] x 100 = -40.72%
Formula
Percentage change = [(546 - 921) / 921] x 100
Subtract the new number by the original number
546 - 921 = -375
-375 ÷ 921 = -0.40716612377850164
-0.40716612377850164 x 100 = -40.72%