78.18% is the change from 307 to 547
Calculation steps:
[( 547 - 307 ) ÷ 307] x 100 = 78.18%
Formula
Percentage change = [(547 - 307) / 307] x 100
Subtract the new number by the original number
547 - 307 = 240
240 ÷ 307 = 0.7817589576547231
0.7817589576547231 x 100 = 78.18%