-90.3% is the change from 928 to 90
Calculation steps:
[( 90 - 928 ) ÷ 928] x 100 = -90.3%
Formula
Percentage change = [(90 - 928) / 928] x 100
Subtract the new number by the original number
90 - 928 = -838
-838 ÷ 928 = -0.9030172413793104
-0.9030172413793104 x 100 = -90.3%