42.9% is the change from 606 to 866
Calculation steps:
[( 866 - 606 ) ÷ 606] x 100 = 42.9%
Formula
Percentage change = [(866 - 606) / 606] x 100
Subtract the new number by the original number
866 - 606 = 260
260 ÷ 606 = 0.429042904290429
0.429042904290429 x 100 = 42.9%