670.11% is the change from 87 to 670
Calculation steps:
[( 670 - 87 ) ÷ 87] x 100 = 670.11%
Formula
Percentage change = [(670 - 87) / 87] x 100
Subtract the new number by the original number
670 - 87 = 583
583 ÷ 87 = 6.7011494252873565
6.7011494252873565 x 100 = 670.11%