49.77% is the change from 434 to 650
Calculation steps:
[( 650 - 434 ) ÷ 434] x 100 = 49.77%
Formula
Percentage change = [(650 - 434) / 434] x 100
Subtract the new number by the original number
650 - 434 = 216
216 ÷ 434 = 0.4976958525345622
0.4976958525345622 x 100 = 49.77%