521.92% is the change from 73 to 454
Calculation steps:
[( 454 - 73 ) ÷ 73] x 100 = 521.92%
Formula
Percentage change = [(454 - 73) / 73] x 100
Subtract the new number by the original number
454 - 73 = 381
381 ÷ 73 = 5.219178082191781
5.219178082191781 x 100 = 521.92%