-82.51% is the change from 646 to 113
Calculation steps:
[( 113 - 646 ) ÷ 646] x 100 = -82.51%
Formula
Percentage change = [(113 - 646) / 646] x 100
Subtract the new number by the original number
113 - 646 = -533
-533 ÷ 646 = -0.8250773993808049
-0.8250773993808049 x 100 = -82.51%