77.72% is the change from 534 to 949
Calculation steps:
[( 949 - 534 ) ÷ 534] x 100 = 77.72%
Formula
Percentage change = [(949 - 534) / 534] x 100
Subtract the new number by the original number
949 - 534 = 415
415 ÷ 534 = 0.7771535580524345
0.7771535580524345 x 100 = 77.72%