83.85% is the change from 520 to 956
Calculation steps:
[( 956 - 520 ) ÷ 520] x 100 = 83.85%
Formula
Percentage change = [(956 - 520) / 520] x 100
Subtract the new number by the original number
956 - 520 = 436
436 ÷ 520 = 0.8384615384615385
0.8384615384615385 x 100 = 83.85%