-96.31% is the change from 921 to 34
Calculation steps:
[( 34 - 921 ) ÷ 921] x 100 = -96.31%
Formula
Percentage change = [(34 - 921) / 921] x 100
Subtract the new number by the original number
34 - 921 = -887
-887 ÷ 921 = -0.9630836047774158
-0.9630836047774158 x 100 = -96.31%