849.5% is the change from 101 to 959
Calculation steps:
[( 959 - 101 ) ÷ 101] x 100 = 849.5%
Formula
Percentage change = [(959 - 101) / 101] x 100
Subtract the new number by the original number
959 - 101 = 858
858 ÷ 101 = 8.495049504950495
8.495049504950495 x 100 = 849.5%