-27.77% is the change from 922 to 666
Calculation steps:
[( 666 - 922 ) ÷ 922] x 100 = -27.77%
Formula
Percentage change = [(666 - 922) / 922] x 100
Subtract the new number by the original number
666 - 922 = -256
-256 ÷ 922 = -0.27765726681127983
-0.27765726681127983 x 100 = -27.77%