83.37% is the change from 523 to 959
Calculation steps:
[( 959 - 523 ) ÷ 523] x 100 = 83.37%
Formula
Percentage change = [(959 - 523) / 523] x 100
Subtract the new number by the original number
959 - 523 = 436
436 ÷ 523 = 0.8336520076481836
0.8336520076481836 x 100 = 83.37%