49.92% is the change from 645 to 967
Calculation steps:
[( 967 - 645 ) ÷ 645] x 100 = 49.92%
Formula
Percentage change = [(967 - 645) / 645] x 100
Subtract the new number by the original number
967 - 645 = 322
322 ÷ 645 = 0.4992248062015504
0.4992248062015504 x 100 = 49.92%