-97.49% is the change from 917 to 23
Calculation steps:
[( 23 - 917 ) ÷ 917] x 100 = -97.49%
Formula
Percentage change = [(23 - 917) / 917] x 100
Subtract the new number by the original number
23 - 917 = -894
-894 ÷ 917 = -0.9749182115594329
-0.9749182115594329 x 100 = -97.49%