154.4% is the change from 307 to 781
Calculation steps:
[( 781 - 307 ) ÷ 307] x 100 = 154.4%
Formula
Percentage change = [(781 - 307) / 307] x 100
Subtract the new number by the original number
781 - 307 = 474
474 ÷ 307 = 1.5439739413680782
1.5439739413680782 x 100 = 154.4%