209% is the change from 311 to 961
Calculation steps:
[( 961 - 311 ) ÷ 311] x 100 = 209%
Formula
Percentage change = [(961 - 311) / 311] x 100
Subtract the new number by the original number
961 - 311 = 650
650 ÷ 311 = 2.090032154340836
2.090032154340836 x 100 = 209%