-56.54% is the change from 902 to 392
Calculation steps:
[( 392 - 902 ) ÷ 902] x 100 = -56.54%
Formula
Percentage change = [(392 - 902) / 902] x 100
Subtract the new number by the original number
392 - 902 = -510
-510 ÷ 902 = -0.565410199556541
-0.565410199556541 x 100 = -56.54%