57% is the change from 307 to 482
Calculation steps:
[( 482 - 307 ) ÷ 307] x 100 = 57%
Formula
Percentage change = [(482 - 307) / 307] x 100
Subtract the new number by the original number
482 - 307 = 175
175 ÷ 307 = 0.5700325732899023
0.5700325732899023 x 100 = 57%