-90.41% is the change from 938 to 90
Calculation steps:
[( 90 - 938 ) ÷ 938] x 100 = -90.41%
Formula
Percentage change = [(90 - 938) / 938] x 100
Subtract the new number by the original number
90 - 938 = -848
-848 ÷ 938 = -0.9040511727078892
-0.9040511727078892 x 100 = -90.41%