-57.88% is the change from 831 to 350
Calculation steps:
[( 350 - 831 ) ÷ 831] x 100 = -57.88%
Formula
Percentage change = [(350 - 831) / 831] x 100
Subtract the new number by the original number
350 - 831 = -481
-481 ÷ 831 = -0.5788206979542719
-0.5788206979542719 x 100 = -57.88%