-27.21% is the change from 430 to 313
Calculation steps:
[( 313 - 430 ) ÷ 430] x 100 = -27.21%
Formula
Percentage change = [(313 - 430) / 430] x 100
Subtract the new number by the original number
313 - 430 = -117
-117 ÷ 430 = -0.27209302325581397
-0.27209302325581397 x 100 = -27.21%