-43.49% is the change from 922 to 521
Calculation steps:
[( 521 - 922 ) ÷ 922] x 100 = -43.49%
Formula
Percentage change = [(521 - 922) / 922] x 100
Subtract the new number by the original number
521 - 922 = -401
-401 ÷ 922 = -0.4349240780911063
-0.4349240780911063 x 100 = -43.49%