-93.26% is the change from 623 to 42
Calculation steps:
[( 42 - 623 ) ÷ 623] x 100 = -93.26%
Formula
Percentage change = [(42 - 623) / 623] x 100
Subtract the new number by the original number
42 - 623 = -581
-581 ÷ 623 = -0.9325842696629213
-0.9325842696629213 x 100 = -93.26%