437.11% is the change from 97 to 521
Calculation steps:
[( 521 - 97 ) ÷ 97] x 100 = 437.11%
Formula
Percentage change = [(521 - 97) / 97] x 100
Subtract the new number by the original number
521 - 97 = 424
424 ÷ 97 = 4.371134020618556
4.371134020618556 x 100 = 437.11%