77.97% is the change from 531 to 945
Calculation steps:
[( 945 - 531 ) ÷ 531] x 100 = 77.97%
Formula
Percentage change = [(945 - 531) / 531] x 100
Subtract the new number by the original number
945 - 531 = 414
414 ÷ 531 = 0.7796610169491526
0.7796610169491526 x 100 = 77.97%