-69.28% is the change from 931 to 286
Calculation steps:
[( 286 - 931 ) ÷ 931] x 100 = -69.28%
Formula
Percentage change = [(286 - 931) / 931] x 100
Subtract the new number by the original number
286 - 931 = -645
-645 ÷ 931 = -0.6928034371643395
-0.6928034371643395 x 100 = -69.28%