-55.79% is the change from 907 to 401
Calculation steps:
[( 401 - 907 ) ÷ 907] x 100 = -55.79%
Formula
Percentage change = [(401 - 907) / 907] x 100
Subtract the new number by the original number
401 - 907 = -506
-506 ÷ 907 = -0.557883131201764
-0.557883131201764 x 100 = -55.79%