-86.88% is the change from 922 to 121
Calculation steps:
[( 121 - 922 ) ÷ 922] x 100 = -86.88%
Formula
Percentage change = [(121 - 922) / 922] x 100
Subtract the new number by the original number
121 - 922 = -801
-801 ÷ 922 = -0.868763557483731
-0.868763557483731 x 100 = -86.88%