68.49% is the change from 311 to 524
Calculation steps:
[( 524 - 311 ) ÷ 311] x 100 = 68.49%
Formula
Percentage change = [(524 - 311) / 311] x 100
Subtract the new number by the original number
524 - 311 = 213
213 ÷ 311 = 0.684887459807074
0.684887459807074 x 100 = 68.49%