184.38% is the change from 320 to 910
Calculation steps:
[( 910 - 320 ) ÷ 320] x 100 = 184.38%
Formula
Percentage change = [(910 - 320) / 320] x 100
Subtract the new number by the original number
910 - 320 = 590
590 ÷ 320 = 1.84375
1.84375 x 100 = 184.38%