-63.29% is the change from 790 to 290
Calculation steps:
[( 290 - 790 ) ÷ 790] x 100 = -63.29%
Formula
Percentage change = [(290 - 790) / 790] x 100
Subtract the new number by the original number
290 - 790 = -500
-500 ÷ 790 = -0.6329113924050633
-0.6329113924050633 x 100 = -63.29%