-87.81% is the change from 402 to 49
Calculation steps:
[( 49 - 402 ) ÷ 402] x 100 = -87.81%
Formula
Percentage change = [(49 - 402) / 402] x 100
Subtract the new number by the original number
49 - 402 = -353
-353 ÷ 402 = -0.8781094527363185
-0.8781094527363185 x 100 = -87.81%