45.34% is the change from 311 to 452
Calculation steps:
[( 452 - 311 ) ÷ 311] x 100 = 45.34%
Formula
Percentage change = [(452 - 311) / 311] x 100
Subtract the new number by the original number
452 - 311 = 141
141 ÷ 311 = 0.4533762057877814
0.4533762057877814 x 100 = 45.34%