-21.04% is the change from 922 to 728
Calculation steps:
[( 728 - 922 ) ÷ 922] x 100 = -21.04%
Formula
Percentage change = [(728 - 922) / 922] x 100
Subtract the new number by the original number
728 - 922 = -194
-194 ÷ 922 = -0.210412147505423
-0.210412147505423 x 100 = -21.04%