66.85% is the change from 552 to 921
Calculation steps:
[( 921 - 552 ) ÷ 552] x 100 = 66.85%
Formula
Percentage change = [(921 - 552) / 552] x 100
Subtract the new number by the original number
921 - 552 = 369
369 ÷ 552 = 0.6684782608695652
0.6684782608695652 x 100 = 66.85%