198.44% is the change from 320 to 955
Calculation steps:
[( 955 - 320 ) ÷ 320] x 100 = 198.44%
Formula
Percentage change = [(955 - 320) / 320] x 100
Subtract the new number by the original number
955 - 320 = 635
635 ÷ 320 = 1.984375
1.984375 x 100 = 198.44%