-84.27% is the change from 286 to 45
Calculation steps:
[( 45 - 286 ) ÷ 286] x 100 = -84.27%
Formula
Percentage change = [(45 - 286) / 286] x 100
Subtract the new number by the original number
45 - 286 = -241
-241 ÷ 286 = -0.8426573426573427
-0.8426573426573427 x 100 = -84.27%