83.8% is the change from 531 to 976
Calculation steps:
[( 976 - 531 ) ÷ 531] x 100 = 83.8%
Formula
Percentage change = [(976 - 531) / 531] x 100
Subtract the new number by the original number
976 - 531 = 445
445 ÷ 531 = 0.8380414312617702
0.8380414312617702 x 100 = 83.8%