-55.63% is the change from 906 to 402
Calculation steps:
[( 402 - 906 ) ÷ 906] x 100 = -55.63%
Formula
Percentage change = [(402 - 906) / 906] x 100
Subtract the new number by the original number
402 - 906 = -504
-504 ÷ 906 = -0.5562913907284768
-0.5562913907284768 x 100 = -55.63%