-66.81% is the change from 922 to 306
Calculation steps:
[( 306 - 922 ) ÷ 922] x 100 = -66.81%
Formula
Percentage change = [(306 - 922) / 922] x 100
Subtract the new number by the original number
306 - 922 = -616
-616 ÷ 922 = -0.6681127982646421
-0.6681127982646421 x 100 = -66.81%