89.86% is the change from 345 to 655
Calculation steps:
[( 655 - 345 ) ÷ 345] x 100 = 89.86%
Formula
Percentage change = [(655 - 345) / 345] x 100
Subtract the new number by the original number
655 - 345 = 310
310 ÷ 345 = 0.8985507246376812
0.8985507246376812 x 100 = 89.86%