-68.05% is the change from 313 to 100
Calculation steps:
[( 100 - 313 ) ÷ 313] x 100 = -68.05%
Formula
Percentage change = [(100 - 313) / 313] x 100
Subtract the new number by the original number
100 - 313 = -213
-213 ÷ 313 = -0.6805111821086262
-0.6805111821086262 x 100 = -68.05%