51.98% is the change from 606 to 921
Calculation steps:
[( 921 - 606 ) ÷ 606] x 100 = 51.98%
Formula
Percentage change = [(921 - 606) / 606] x 100
Subtract the new number by the original number
921 - 606 = 315
315 ÷ 606 = 0.5198019801980198
0.5198019801980198 x 100 = 51.98%