42.54% is the change from 670 to 955
Calculation steps:
[( 955 - 670 ) ÷ 670] x 100 = 42.54%
Formula
Percentage change = [(955 - 670) / 670] x 100
Subtract the new number by the original number
955 - 670 = 285
285 ÷ 670 = 0.4253731343283582
0.4253731343283582 x 100 = 42.54%