61.63% is the change from 331 to 535
Calculation steps:
[( 535 - 331 ) ÷ 331] x 100 = 61.63%
Formula
Percentage change = [(535 - 331) / 331] x 100
Subtract the new number by the original number
535 - 331 = 204
204 ÷ 331 = 0.6163141993957704
0.6163141993957704 x 100 = 61.63%