-37.08% is the change from 623 to 392
Calculation steps:
[( 392 - 623 ) ÷ 623] x 100 = -37.08%
Formula
Percentage change = [(392 - 623) / 623] x 100
Subtract the new number by the original number
392 - 623 = -231
-231 ÷ 623 = -0.3707865168539326
-0.3707865168539326 x 100 = -37.08%