57.33% is the change from 307 to 483
Calculation steps:
[( 483 - 307 ) ÷ 307] x 100 = 57.33%
Formula
Percentage change = [(483 - 307) / 307] x 100
Subtract the new number by the original number
483 - 307 = 176
176 ÷ 307 = 0.5732899022801303
0.5732899022801303 x 100 = 57.33%