75.64% is the change from 550 to 966
Calculation steps:
[( 966 - 550 ) ÷ 550] x 100 = 75.64%
Formula
Percentage change = [(966 - 550) / 550] x 100
Subtract the new number by the original number
966 - 550 = 416
416 ÷ 550 = 0.7563636363636363
0.7563636363636363 x 100 = 75.64%