-58.1% is the change from 790 to 331
Calculation steps:
[( 331 - 790 ) ÷ 790] x 100 = -58.1%
Formula
Percentage change = [(331 - 790) / 790] x 100
Subtract the new number by the original number
331 - 790 = -459
-459 ÷ 790 = -0.5810126582278481
-0.5810126582278481 x 100 = -58.1%