-91.43% is the change from 922 to 79
Calculation steps:
[( 79 - 922 ) ÷ 922] x 100 = -91.43%
Formula
Percentage change = [(79 - 922) / 922] x 100
Subtract the new number by the original number
79 - 922 = -843
-843 ÷ 922 = -0.9143167028199566
-0.9143167028199566 x 100 = -91.43%