86.35% is the change from 520 to 969
Calculation steps:
[( 969 - 520 ) ÷ 520] x 100 = 86.35%
Formula
Percentage change = [(969 - 520) / 520] x 100
Subtract the new number by the original number
969 - 520 = 449
449 ÷ 520 = 0.8634615384615385
0.8634615384615385 x 100 = 86.35%