91% is the change from 311 to 594
Calculation steps:
[( 594 - 311 ) ÷ 311] x 100 = 91%
Formula
Percentage change = [(594 - 311) / 311] x 100
Subtract the new number by the original number
594 - 311 = 283
283 ÷ 311 = 0.909967845659164
0.909967845659164 x 100 = 91%