83.71% is the change from 307 to 564
Calculation steps:
[( 564 - 307 ) ÷ 307] x 100 = 83.71%
Formula
Percentage change = [(564 - 307) / 307] x 100
Subtract the new number by the original number
564 - 307 = 257
257 ÷ 307 = 0.8371335504885994
0.8371335504885994 x 100 = 83.71%