56.6% is the change from 553 to 866
Calculation steps:
[( 866 - 553 ) ÷ 553] x 100 = 56.6%
Formula
Percentage change = [(866 - 553) / 553] x 100
Subtract the new number by the original number
866 - 553 = 313
313 ÷ 553 = 0.566003616636528
0.566003616636528 x 100 = 56.6%