-94.94% is the change from 790 to 40
Calculation steps:
[( 40 - 790 ) ÷ 790] x 100 = -94.94%
Formula
Percentage change = [(40 - 790) / 790] x 100
Subtract the new number by the original number
40 - 790 = -750
-750 ÷ 790 = -0.9493670886075949
-0.9493670886075949 x 100 = -94.94%