72.53% is the change from 557 to 961
Calculation steps:
[( 961 - 557 ) ÷ 557] x 100 = 72.53%
Formula
Percentage change = [(961 - 557) / 557] x 100
Subtract the new number by the original number
961 - 557 = 404
404 ÷ 557 = 0.725314183123878
0.725314183123878 x 100 = 72.53%