-75.28% is the change from 623 to 154
Calculation steps:
[( 154 - 623 ) ÷ 623] x 100 = -75.28%
Formula
Percentage change = [(154 - 623) / 623] x 100
Subtract the new number by the original number
154 - 623 = -469
-469 ÷ 623 = -0.7528089887640449
-0.7528089887640449 x 100 = -75.28%