-65.16% is the change from 287 to 100
Calculation steps:
[( 100 - 287 ) ÷ 287] x 100 = -65.16%
Formula
Percentage change = [(100 - 287) / 287] x 100
Subtract the new number by the original number
100 - 287 = -187
-187 ÷ 287 = -0.6515679442508711
-0.6515679442508711 x 100 = -65.16%