75.24% is the change from 311 to 545
Calculation steps:
[( 545 - 311 ) ÷ 311] x 100 = 75.24%
Formula
Percentage change = [(545 - 311) / 311] x 100
Subtract the new number by the original number
545 - 311 = 234
234 ÷ 311 = 0.752411575562701
0.752411575562701 x 100 = 75.24%