-57.59% is the change from 731 to 310
Calculation steps:
[( 310 - 731 ) ÷ 731] x 100 = -57.59%
Formula
Percentage change = [(310 - 731) / 731] x 100
Subtract the new number by the original number
310 - 731 = -421
-421 ÷ 731 = -0.5759233926128591
-0.5759233926128591 x 100 = -57.59%