637.33% is the change from 75 to 553
Calculation steps:
[( 553 - 75 ) ÷ 75] x 100 = 637.33%
Formula
Percentage change = [(553 - 75) / 75] x 100
Subtract the new number by the original number
553 - 75 = 478
478 ÷ 75 = 6.373333333333333
6.373333333333333 x 100 = 637.33%