1057.78% is the change from 45 to 521
Calculation steps:
[( 521 - 45 ) ÷ 45] x 100 = 1057.78%
Formula
Percentage change = [(521 - 45) / 45] x 100
Subtract the new number by the original number
521 - 45 = 476
476 ÷ 45 = 10.577777777777778
10.577777777777778 x 100 = 1057.78%