71.66% is the change from 307 to 527
Calculation steps:
[( 527 - 307 ) ÷ 307] x 100 = 71.66%
Formula
Percentage change = [(527 - 307) / 307] x 100
Subtract the new number by the original number
527 - 307 = 220
220 ÷ 307 = 0.7166123778501629
0.7166123778501629 x 100 = 71.66%