-94.75% is the change from 990 to 52
Calculation steps:
[( 52 - 990 ) ÷ 990] x 100 = -94.75%
Formula
Percentage change = [(52 - 990) / 990] x 100
Subtract the new number by the original number
52 - 990 = -938
-938 ÷ 990 = -0.9474747474747475
-0.9474747474747475 x 100 = -94.75%