-90.62% is the change from 938 to 88
Calculation steps:
[( 88 - 938 ) ÷ 938] x 100 = -90.62%
Formula
Percentage change = [(88 - 938) / 938] x 100
Subtract the new number by the original number
88 - 938 = -850
-850 ÷ 938 = -0.906183368869936
-0.906183368869936 x 100 = -90.62%