51.77% is the change from 311 to 472
Calculation steps:
[( 472 - 311 ) ÷ 311] x 100 = 51.77%
Formula
Percentage change = [(472 - 311) / 311] x 100
Subtract the new number by the original number
472 - 311 = 161
161 ÷ 311 = 0.5176848874598071
0.5176848874598071 x 100 = 51.77%