61.75% is the change from 217 to 351
Calculation steps:
[( 351 - 217 ) ÷ 217] x 100 = 61.75%
Formula
Percentage change = [(351 - 217) / 217] x 100
Subtract the new number by the original number
351 - 217 = 134
134 ÷ 217 = 0.6175115207373272
0.6175115207373272 x 100 = 61.75%