-99.89% is the change from 922 to 1
Calculation steps:
[( 1 - 922 ) ÷ 922] x 100 = -99.89%
Formula
Percentage change = [(1 - 922) / 922] x 100
Subtract the new number by the original number
1 - 922 = -921
-921 ÷ 922 = -0.9989154013015185
-0.9989154013015185 x 100 = -99.89%