-78.61% is the change from 603 to 129
Calculation steps:
[( 129 - 603 ) ÷ 603] x 100 = -78.61%
Formula
Percentage change = [(129 - 603) / 603] x 100
Subtract the new number by the original number
129 - 603 = -474
-474 ÷ 603 = -0.7860696517412935
-0.7860696517412935 x 100 = -78.61%