-91.19% is the change from 670 to 59
Calculation steps:
[( 59 - 670 ) ÷ 670] x 100 = -91.19%
Formula
Percentage change = [(59 - 670) / 670] x 100
Subtract the new number by the original number
59 - 670 = -611
-611 ÷ 670 = -0.9119402985074627
-0.9119402985074627 x 100 = -91.19%