101.47% is the change from 407 to 820
Calculation steps:
[( 820 - 407 ) ÷ 407] x 100 = 101.47%
Formula
Percentage change = [(820 - 407) / 407] x 100
Subtract the new number by the original number
820 - 407 = 413
413 ÷ 407 = 1.0147420147420148
1.0147420147420148 x 100 = 101.47%