21.01% is the change from 552 to 668
Calculation steps:
[( 668 - 552 ) ÷ 552] x 100 = 21.01%
Formula
Percentage change = [(668 - 552) / 552] x 100
Subtract the new number by the original number
668 - 552 = 116
116 ÷ 552 = 0.21014492753623187
0.21014492753623187 x 100 = 21.01%