43.43% is the change from 670 to 961
Calculation steps:
[( 961 - 670 ) ÷ 670] x 100 = 43.43%
Formula
Percentage change = [(961 - 670) / 670] x 100
Subtract the new number by the original number
961 - 670 = 291
291 ÷ 670 = 0.4343283582089552
0.4343283582089552 x 100 = 43.43%