43.46% is the change from 612 to 878
Calculation steps:
[( 878 - 612 ) ÷ 612] x 100 = 43.46%
Formula
Percentage change = [(878 - 612) / 612] x 100
Subtract the new number by the original number
878 - 612 = 266
266 ÷ 612 = 0.434640522875817
0.434640522875817 x 100 = 43.46%