-92.42% is the change from 990 to 75
Calculation steps:
[( 75 - 990 ) ÷ 990] x 100 = -92.42%
Formula
Percentage change = [(75 - 990) / 990] x 100
Subtract the new number by the original number
75 - 990 = -915
-915 ÷ 990 = -0.9242424242424242
-0.9242424242424242 x 100 = -92.42%