57.63% is the change from 531 to 837
Calculation steps:
[( 837 - 531 ) ÷ 531] x 100 = 57.63%
Formula
Percentage change = [(837 - 531) / 531] x 100
Subtract the new number by the original number
837 - 531 = 306
306 ÷ 531 = 0.576271186440678
0.576271186440678 x 100 = 57.63%