-99.05% is the change from 316 to 3
Calculation steps:
[( 3 - 316 ) ÷ 316] x 100 = -99.05%
Formula
Percentage change = [(3 - 316) / 316] x 100
Subtract the new number by the original number
3 - 316 = -313
-313 ÷ 316 = -0.990506329113924
-0.990506329113924 x 100 = -99.05%