79.53% is the change from 552 to 991
Calculation steps:
[( 991 - 552 ) ÷ 552] x 100 = 79.53%
Formula
Percentage change = [(991 - 552) / 552] x 100
Subtract the new number by the original number
991 - 552 = 439
439 ÷ 552 = 0.7952898550724637
0.7952898550724637 x 100 = 79.53%