86.21% is the change from 319 to 594
Calculation steps:
[( 594 - 319 ) ÷ 319] x 100 = 86.21%
Formula
Percentage change = [(594 - 319) / 319] x 100
Subtract the new number by the original number
594 - 319 = 275
275 ÷ 319 = 0.8620689655172413
0.8620689655172413 x 100 = 86.21%