77.2% is the change from 307 to 544
Calculation steps:
[( 544 - 307 ) ÷ 307] x 100 = 77.2%
Formula
Percentage change = [(544 - 307) / 307] x 100
Subtract the new number by the original number
544 - 307 = 237
237 ÷ 307 = 0.7719869706840391
0.7719869706840391 x 100 = 77.2%