-40.07% is the change from 921 to 552
Calculation steps:
[( 552 - 921 ) ÷ 921] x 100 = -40.07%
Formula
Percentage change = [(552 - 921) / 921] x 100
Subtract the new number by the original number
552 - 921 = -369
-369 ÷ 921 = -0.4006514657980456
-0.4006514657980456 x 100 = -40.07%