21.32% is the change from 455 to 552
Calculation steps:
[( 552 - 455 ) ÷ 455] x 100 = 21.32%
Formula
Percentage change = [(552 - 455) / 455] x 100
Subtract the new number by the original number
552 - 455 = 97
97 ÷ 455 = 0.21318681318681318
0.21318681318681318 x 100 = 21.32%