280.34% is the change from 117 to 445
Calculation steps:
[( 445 - 117 ) ÷ 117] x 100 = 280.34%
Formula
Percentage change = [(445 - 117) / 117] x 100
Subtract the new number by the original number
445 - 117 = 328
328 ÷ 117 = 2.8034188034188032
2.8034188034188032 x 100 = 280.34%