165.02% is the change from 243 to 644
Calculation steps:
[( 644 - 243 ) ÷ 243] x 100 = 165.02%
Formula
Percentage change = [(644 - 243) / 243] x 100
Subtract the new number by the original number
644 - 243 = 401
401 ÷ 243 = 1.6502057613168724
1.6502057613168724 x 100 = 165.02%