80.46% is the change from 307 to 554
Calculation steps:
[( 554 - 307 ) ÷ 307] x 100 = 80.46%
Formula
Percentage change = [(554 - 307) / 307] x 100
Subtract the new number by the original number
554 - 307 = 247
247 ÷ 307 = 0.8045602605863192
0.8045602605863192 x 100 = 80.46%