75.11% is the change from 474 to 830
Calculation steps:
[( 830 - 474 ) ÷ 474] x 100 = 75.11%
Formula
Percentage change = [(830 - 474) / 474] x 100
Subtract the new number by the original number
830 - 474 = 356
356 ÷ 474 = 0.7510548523206751
0.7510548523206751 x 100 = 75.11%