-59.49% is the change from 790 to 320
Calculation steps:
[( 320 - 790 ) ÷ 790] x 100 = -59.49%
Formula
Percentage change = [(320 - 790) / 790] x 100
Subtract the new number by the original number
320 - 790 = -470
-470 ÷ 790 = -0.5949367088607594
-0.5949367088607594 x 100 = -59.49%