67.85% is the change from 311 to 522
Calculation steps:
[( 522 - 311 ) ÷ 311] x 100 = 67.85%
Formula
Percentage change = [(522 - 311) / 311] x 100
Subtract the new number by the original number
522 - 311 = 211
211 ÷ 311 = 0.6784565916398714
0.6784565916398714 x 100 = 67.85%