60.77% is the change from 311 to 500
Calculation steps:
[( 500 - 311 ) ÷ 311] x 100 = 60.77%
Formula
Percentage change = [(500 - 311) / 311] x 100
Subtract the new number by the original number
500 - 311 = 189
189 ÷ 311 = 0.6077170418006431
0.6077170418006431 x 100 = 60.77%