75.64% is the change from 509 to 894
Calculation steps:
[( 894 - 509 ) ÷ 509] x 100 = 75.64%
Formula
Percentage change = [(894 - 509) / 509] x 100
Subtract the new number by the original number
894 - 509 = 385
385 ÷ 509 = 0.756385068762279
0.756385068762279 x 100 = 75.64%