51.3% is the change from 347 to 525
Calculation steps:
[( 525 - 347 ) ÷ 347] x 100 = 51.3%
Formula
Percentage change = [(525 - 347) / 347] x 100
Subtract the new number by the original number
525 - 347 = 178
178 ÷ 347 = 0.5129682997118156
0.5129682997118156 x 100 = 51.3%