-89.55% is the change from 938 to 98
Calculation steps:
[( 98 - 938 ) ÷ 938] x 100 = -89.55%
Formula
Percentage change = [(98 - 938) / 938] x 100
Subtract the new number by the original number
98 - 938 = -840
-840 ÷ 938 = -0.8955223880597015
-0.8955223880597015 x 100 = -89.55%