45.12% is the change from 687 to 997
Calculation steps:
[( 997 - 687 ) ÷ 687] x 100 = 45.12%
Formula
Percentage change = [(997 - 687) / 687] x 100
Subtract the new number by the original number
997 - 687 = 310
310 ÷ 687 = 0.4512372634643377
0.4512372634643377 x 100 = 45.12%